C)Traits are inherited, one from the mother and one from the father was Mendel's most significant conclusion from his research with pea plants
What was the relevance of Mendel's experiment with pea plants?In this classic experiment, Mendel purposely cross-pollinated pea plants depending on their distinct characteristics in order to make crucial conclusions about how qualities are passed down through generations.
Mendel created three laws of inheritance that characterised the transfer of genetic features through pea plant breeding before anybody knew what genes were. Mendel's discovery considerably extended our understanding of genetic inheritance and paved the way for the creation of new experimental methodologies.
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Answer: Traits are inherited one from the mother and one from the father. (C)
Explanation:
Animal-mediated pollination ... (choose one most appropriate answer)
O Is characteristic of the 4th great radiation of the land plants, which resulted in a group of plants called the
Angiosperms.
O Tends to increase inbreeding among the species of plant being pollinated.
O Likely has decreased the diversification of both insects and flowering plants.
O Allows the plant to reproduce only when the plant population is at a high density.
O Is a less efficient mode of pollination than wind pollination.
Answer: Tends to increase inbreeding among the species of plant being pollinated.
Explanation:
Animal-mediated pollination, where animals such as insects, birds, or bats transfer pollen from one flower to another, tends to increase inbreeding among the species of plant being pollinated. This is because animals often visit multiple flowers of the same plant or closely related plants in close proximity, leading to a higher likelihood of pollen being transferred between closely related individuals. This can result in reduced genetic diversity and increased inbreeding among the plant population, which may have both positive and negative effects depending on the specific species and ecological context.
The other options provided do not accurately reflect the characteristics of animal-mediated pollination. For example, animal-mediated pollination is actually considered to be a more efficient mode of pollination compared to wind pollination, as it allows for targeted and controlled transfer of pollen between flowers, increasing the chances of successful pollination and reproduction. Animal-mediated pollination is also not limited to high plant population density or specific plant groups such as angiosperms, and there is no evidence to suggest that it has decreased diversification among insects and flowering plants.
A
A
B
AB
Complete
the table with "yes" or "no"
to determine which blood type can
receive from or donate to which blood
type.
B
AB
O
Answer:
A B AB O(donated to)
A yes no yes no
B no yes yes no
AB no no yes no
O yes yes yes yes
(donated by)
Explanation:
What is a homologous structure?
Body parts in different animals that look different to each other
Body parts that are part of the same system
The walls in a plant's calls
Body parts in different animals that have similar structures to each other
Answer:
The answer is Body parts in different animals that have similar structure to each other
8. In cocker spaniels, the following genotypes and phenotypes are found:
AABB = white, A_bb = red, aabb = lemon, AaB_ = black, aaB_ = liver, AABb = grey
a. A red female is mated with a liver-colored male, and one of the pups produced is lemon-colored.
What are the genotypes of the parents?
b. What proportion of these offspring would be expected to be black?
c. A black male is mated with a liver-colored female, and they produce the following pups:
3/8 black
1/8 red
3/8 liver-colored
1/8 lemon-colored
What are the genotypes of the two parents?
d. If two cocker spaniels of the genotypes AaBb x AABb are mated, and eight pups are born, what is the
most likely distribution of coat colors in that litter?
The most likely distribution of coat colors in the litter would depend on the frequency of each genotype in the parents' gametes and the laws of Mendelian inheritance.
What is Genotype?
Genotype refers to the genetic makeup or genetic constitution of an organism, which consists of the specific alleles or versions of genes that an individual inherits from its parents.
a. The genotype of the red female is A_bb, where she has one dominant allele A for black coat color and one recessive allele b for red coat color.
b. If the red female (A_bb) and the liver-colored male (aaB_) produce a lemon-colored pup (aabb), it means that both parents must have passed on their recessive alleles to the pup.
c. The given proportions of the offspring suggest that the black male has the genotype AABb, and the liver-colored female has the genotype aaBb.
d. If two cocker spaniels of genotypes AaBb x AABb are mated, the possible gametes they can produce are AB, Ab, aB, and ab.
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How do trees interact with other organisms?
a.
They provide mammals with food.
b.
They receive shelter from insects.
c.
They obtain food from other plants.
d.
All of the above
V
Of the following greenhouse gases, which one has the most global warming potential relative to carbon dioxide over 100 years?
nitrous oxide
helium
halocarbons
methane
Answer: D. methane
Explanation:
the comet that hit jupiter raised fiery plumes large enough to incinerate the ________
Answer:
The comet ventured too close to Jupiter's mighty gravitational pull two years ago and was pulled apart into a score of large fragments and thousands of small ones. As each fragment hits Jupiter's dense atmosphere, it is stopped as if it had hit a brick wall. In an instant, its initial speed of 130,000 miles per hour is reduced to zero, and practically all of its gigantic kinetic energy is converted to heat -- so much heat that a titanic explosion results. In the case of each of the largest fragments, this is equivalent to 250 million megatons of TNT. (The largest hydrogen bomb ever detonated produced a blast equivalent to about 58 megatons.)
Explanation:
I really need help with Biology 102 ASAP!!!! but it's due date: Apr 17, 2023 at 11:59 PM EDT
Questions on Unit 8: 2 and 3
Below is the categorization of the various part given
Central nervous system
Receives sensory information and initiates motor controlBrainPeripheral nervous system
Spinal nervesCranial nervesLocated in the body's midlineCarries sensory messages to the CNS and motor commands from the CNS to the muscles and glandsUnderstanding Nervous SystemThe nervous system is the complex network of nerve cells and fibers that transmits signals between different parts of the body. It is divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS).
The central nervous system (CNS) includes the brain and spinal cord. It is responsible for receiving and interpreting sensory information from the PNS, and for generating motor commands that are sent out to the PNS to control the body's muscles and organs.
The peripheral nervous system (PNS) consists of all the nerves and ganglia outside of the brain and spinal cord. It is further divided into the somatic nervous system and the autonomic nervous system. The somatic nervous system controls voluntary movements and transmits sensory information to the CNS, while the autonomic nervous system controls involuntary functions such as heart rate, digestion, and breathing.
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The categorization of the various part given is given below:
Central nervous system
Receives sensory information and initiates motor control
Brain
Peripheral nervous system
Spinal nerves
Cranial nerves
Located in the body's midline
Carries sensory messages to the CNS and motor commands from the CNS to the muscles and glands
What is the Nervous System about?The intricate system of nerve cells and fibers that carries signals between various body parts is known as the nervous system. The central nervous system (CNS) and the peripheral nervous system (PNS) are its two basic divisions.
The brain and spinal cord are parts of the central nervous system (CNS). It is in charge of receiving sensory data from the PNS, processing it, and producing motor instructions that are delivered to the PNS to regulate the body's muscles and organs.
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The splanchnic nerves contain preganglionic axons of the sympathetic nervous system.
True or false
Answer:
True
Explanation:
The given statement "The splanchnic nerves contain preganglionic axons of the sympathetic nervous system" is true because these axons synapse with postganglionic neurons in ganglia located near or within the organs they innervate.
The splanchnic nerves are a group of nerves that originate in the thoracic and lumbar regions of the spinal cord and innervate the viscera. They are part of the sympathetic nervous system, which is responsible for the "fight-or-flight" response.
The preganglionic axons of the sympathetic nervous system are short axons that originate in the spinal cord and synapse with postganglionic neurons in ganglia located near or within the organs they innervate. The splanchnic nerves contain the preganglionic axons that innervate the viscera of the abdomen and pelvis.
The postganglionic axons of the sympathetic nervous system are longer axons that originate in the ganglia and innervate the organs they innervate. The postganglionic axons of the splanchnic nerves release the neurotransmitter norepinephrine, which activates the sympathetic receptors on the organs they innervate.
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while gregor mendel's model of inheritance provides a simple explanation for the inheritance of traits, it is not always followed due to the complexities of genetics, such as…
Answer:
Mitochondrial inheritance: It follows a different pattern than classical Mendelian inheritance because it is not controlled by genes on the chromosomes in the cell nucleus. Instead, all offspring of a mother with a mitochondrial DNA mutation will inherit that mutation, but only females will pass it on to their offspring. This is because only the egg cell, not the sperm cell, contributes mitochondria to the next generation.
Epigenetic inheritance: Epigenetic modifications, such as DNA methylation and histone modification, can affect gene expression and be passed on from one generation to the next. This type of inheritance does not involve changes in the DNA sequence but rather changes in the way that genes are expressed.
Genomic imprinting: Some genes are expressed differently depending on whether they were inherited from the mother or the father. This is because certain genes are silenced or activated based on their parent of origin, and this pattern of gene expression is maintained throughout the individual's life.
Gene conversion: During meiosis, some DNA molecules can undergo a process called gene conversion, which involves the replacement of one allele with another, resulting in offspring that have a different genetic makeup than expected based on the parental genotypes.
Explanation:
HELP!!!! The graph on the left shows the total supply and consumption of forests when the consumption rate and population growth rate are both low. The graph on the right shows biodiversity under the same conditions. Which conclusion do the graphs support??
A) trees have little to no effect on biodiversity
B) biodiversity causes deforestation
C) the faster people use trees, the higher the biodiversity
D) deforestation leads to loss of biodiversity
Based on the graph, it can be concluded that deforestation leads to the loss of biodiversity.
What is the effect of the consumption of forests on biodiversity?
Based on the information provided, the graph on the left shows the total supply and consumption of forests when the consumption rate and population growth rate are both low, while the graph on the right shows biodiversity under the same conditions.
The graph on the right shows a decline in biodiversity as the years progress. This decline in biodiversity could be due to a range of factors, such as pollution, habitat destruction, or deforestation.
Therefore, the graphs support the conclusion that deforestation, which leads to habitat destruction, causes a loss of biodiversity (option D).
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describes the impacts that you have on the natural habitats where you live. In constructing your post, be sure that you thoroughly address the following questions IN PARAGRAPH FORMAT:
What resources do you use? Consider the resources (ex. fuel, electricity, food, water, etc.) you use on a day to day basis, but also in the long-term.
Where does your garbage go? Not just the dump, but what do they do with it??
How does how much you drive affect the environment?
What about buying food?
How does this all have an effect on the natural environment?
How could you lessen the effect?
As individuals, we use various resources on a day-to-day basis, including fuel, electricity, food, water, and other resources. In the long-term, our usage can have a significant impact on the natural habitats surrounding us. The more we use resources, the more we contribute to the depletion of natural resources, which in turn can lead to the destruction of habitats.
Garbage disposal is another significant factor that affects the environment. Most of the garbage that we produce is sent to landfills, which not only takes up a lot of space but also pollutes the environment. The garbage disposal process, such as incineration, can also cause air pollution and release harmful gases into the atmosphere.
Driving, particularly long distances, can significantly impact the environment. The more we drive, the more fuel we consume, which in turn contributes to air pollution and greenhouse gas emissions, leading to global warming and climate change. Similarly, buying food also has an environmental impact. The transportation of food products from one place to another contributes to air pollution, and the use of fertilizers and pesticides in agriculture can contaminate soil and water resources.
All of these factors have a significant effect on the natural environment. The depletion of natural resources, the pollution of air and water, and the destruction of habitats all have significant impacts on the planet's biodiversity and ecosystem.
To lessen the effect, we can adopt more environmentally friendly practices. We can reduce our usage of resources by conserving energy, reducing water consumption, and using public transportation or carpooling. We can also reduce our impact on the environment by reducing the amount of waste we produce, recycling, and properly disposing of hazardous waste. Additionally, we can support local agriculture, which can reduce the transportation of food products and promote sustainable farming practices. By taking these steps, we can help preserve natural habitats and contribute to a healthier and more sustainable planet.
What are 5 interesting facts about overpopulation and global warming?
Answer:
1. Overpopulation is a major contributor to global warming, as the increased demand for energy, food, and resources leads to increased greenhouse gas emissions.
2. The world's population is projected to reach 9.7 billion by 2050, putting further pressure on the environment and contributing to global warming.
3. Developing countries with high population growth rates are particularly vulnerable to the effects of global warming, such as rising sea levels and increased frequency of extreme weather events.
4. Family planning programs and access to contraception have been shown to be effective in reducing population growth rates and mitigating the effects of global warming.
5. Sustainable development practices, such as renewable energy and green infrastructure, can help reduce greenhouse gas emissions and support a growing population without further exacerbating global warming.
Explanation:
Which label points to the part of chloroplast where chlorophyll molecules are found?
A. 1
B. 2
C. 3
D. 4
Answer: A I think
Explanation: Sorry if wrong
Chlorophyll molecules are primarily located in thylakoid membranes within chloroplasts. Here, they capture light energy to perform photosynthesis.The correct option is A.
The label that points to the part of the chloroplast where chlorophyll molecules are found is A. 1. These molecules are located in the thylakoid membranes, specifically in the photosystem complexes.
However, within a chloroplast, chlorophyll molecules are primarily found in structures called thylakoids. Thylakoids are flattened sac-like membranes arranged in stacks (grana) inside chloroplasts. Chlorophyll molecules are integral components of the thylakoid membranes where they absorb light energy for photosynthesis. It captures light energy from the sun and uses it to help convert carbon dioxide and water into glucose and oxygen in the photosynthesis process.
Therefor the correct option is A.
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With respect to climate forcing, which one of the following is a positive forcer?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
carbon dioxide
sulfur dioxide
oxygen gas
helium
Answer:
the answer is sulfur dioxide
why do chemotherapy has its strongest side effects on the skin and the lining of the digestive tract?
The feature labeled 7 are ___________________ which are located in ________________.
HELP PLS QUICK THIS IS IN K12
The feature labeled 7 are parking meters which are located in urban areas.
What is urban?Urban areas are highly inhabited areas that have a diversity of land uses and a high population density. High rates of economic activity, rapid population increase, and a variety of housing types are typical characteristics of these locations. Normal associations between urban regions and high levels of poverty, crime, and pollution exist. Typically, urban regions can be located in the centre of large cities, in the midst of them, or in their suburbs.
Public transit, such subways, buses, and trains, is frequently connected with urban areas. Numerous universities, hospitals, and other public services are located in urban regions. With their abundance of eateries, stores, and cafes, urban areas are frequently centres of culture, leisure, and relaxation. Due to greater expenses for resources like land, labour, and other resources, operating a business in an urban region is typically significantly more expensive than in a rural area.
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I need help solving this problem
8. In cocker spaniels, the following genotypes and phenotypes are found:
AABB = white, A_bb = red, aabb = lemon, AaB_ = black, aaB_ = liver, AABb = grey
a. A red female is mated with a liver-colored male, and one of the pups produced is lemon-colored.
What are the genotypes of the parents?
b. What proportion of these offspring would be expected to be black?
c. A black male is mated with a liver-colored female, and they produce the following pups:
3/8 black
1/8 red
3/8 liver-colored
1/8 lemon-colored
What are the genotypes of the two parents?
d. If two cocker spaniels of the genotypes AaBb x AABb are mated, and eight pups are born, what is the
most likely distribution of coat colors in that litter?
If two cocker spaniels of genotypes AaBb x AABb are mated, the possible gametes they can produce are AB, Ab, aB, and ab.
What is Genotype?
Genotype refers to the genetic makeup or genetic constitution of an organism, which consists of the specific alleles or versions of genes that an individual inherits from its parents.
a. The genotype of the red female is A_bb, where she has one dominant allele A for black coat color and one recessive allele b for red coat color.
b. If the red female (A_bb) and the liver-colored male (aaB_) produce a lemon-colored pup (aabb), it means that both parents must have passed on their recessive alleles to the pup.
c. The given proportions of the offspring suggest that the black male has the genotype AABb, and the liver-colored female has the genotype aaBb.
The most likely distribution of coat colors in the litter would depend on the frequency of each genotype in the parents' gametes and the laws of Mendelian inheritance.
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A person with a severe case of asthma (constriction of the airways) would be helped with a sympatholytic drug.
© True
O False
Answer:
false
Explanation:
reduce blood pressure mainly by stimulating central α2‐adrenergic receptors in the brainstem centers, thereby reducing sympathetic nerve activity and neuronal release of norepinephrine to the heart and peripheral circulation.
Darwin's Theory of evolution suggests that fishes evolved into amphibians. If this statement
is assumed to be true, explain why fishes still exist on the planet.
Answer:
Darwin's theory of evolution does not suggest that one species directly evolves into another species. Instead, it proposes that species can evolve from common ancestors over a long period of time through a process of natural selection. Therefore, the fact that fishes still exist on the planet does not contradict Darwin's theory. Here are some possible reasons why:
Diversification: Fishes have diversified into many different species over time, each adapted to a particular environment and niche. Therefore, the fact that some fishes evolved into amphibians does not mean that all fishes disappeared.Environmental factors: The evolution of fishes into amphibians may have been driven by changes in the environment, such as the availability of water or the development of new predators. However, not all fish species would have been affected equally by these changes, and some may have continued to thrive in their existing habitats.Adaptation: Fishes have evolved many different adaptations that allow them to survive in various environments. Some fish species are well-adapted to living in freshwater, while others are adapted to saltwater or deep-sea environments. These adaptations have allowed fish species to survive and thrive in different ecosystems.Evolutionary time: The evolution of species takes place over a very long period of time, and it is not necessarily a linear or predictable process. Even if some fish species did evolve into amphibians, it is possible that other fish species continued to evolve and diversify in other ways, leading to the continued existence of fish on the planet.In conclusion, the fact that fishes still exist on the planet does not contradict Darwin's theory of evolution. Evolution is a complex and ongoing process, and the survival of different species depends on a variety of factors, including environmental conditions, adaptation, and diversification.
Which term is used to describe the different depth areas of the oceans?
Opedantic zones
O podiatric zones
pelagic zones
Oprehistoric zones
Answer:
pelagic zones
Explanation:
Summers in Earth's Northern Hemisphere are warmest when:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
the North Pole points toward Polaris, the current north star.
axial precession matches the axial tilt.
axial precession matches the orbital eccentricity.
the North Pole points toward Vega.
None of the answer choices accurately describe when summers in Earth's Northern Hemisphere are the warmest.
What is Hotness?
In physics, "hotness" is not a term that is used. The concept that is usually referred to in relation to temperature is "thermal energy", which is the total kinetic energy of the particles that make up a substance. When the thermal energy of a substance increases, its temperature also increases, which we perceive as the substance becoming "hotter".
The warmest summers in the Northern Hemisphere occur when the hemisphere is tilted toward the sun and receives the most direct sunlight. This occurs during the summer solstice, which happens around June 20-22 each year. The axial tilt is responsible for the seasons, and the precession of the Earth's axis does not have a significant effect on the timing of the seasons.
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With respect to climate forcing, which one of the following is a positive forcer?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
carbon dioxide
sulfur dioxide
oxygen gas
helium
Answer:
the answer is sulphur dioxide
With respect to climate forcing, carbon dioxide is a positive forcer. The correct option is A.
Thus, because of its capacity to trap heat in the Earth's atmosphere and so contribute to the greenhouse effect, carbon dioxide is regarded as a positive climatic forcing agent. The atmosphere contains more carbon dioxide as a result of human activity, principally the burning of fossil fuels, which raises Earth's temperature and causes climate change.
A significant greenhouse gas that affects climate change on Earth is carbon dioxide. It has been shown that one of the main causes of anthropogenic climate change and global warming is the rising atmospheric concentration of carbon dioxide.
Thus, the ideal selection is option A.
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Aim of water pollution
1) to gather wastewater from homes, businesses, and other establishments; 2) to find a location to discharge the wastewater; 3) to remove water pollutants that would otherwise produce harmful effects; and (4) to recharge groundwater with wastewater.
The result of water contamination is what?Only a handful of the reasons and sources of water contamination are mentioned here. While lakes, bays, ponds, slow-moving rivers, and the seas have limited resilience to the impacts of water pollution, rivers and streams show some potential to rebound from the effects of particular contaminants.
Any human-caused contamination of water that lessens its value to people and other living things in the natural world is referred to as water pollution.
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How is the DNA in a prokaryote different from the DNA in a eukaryote?
Answer:
DNA is in a nucleus in eukaryotes.
Explanation:
Circular DNA and smaller, transferable DNA plasmids are both found in prokaryotes.
Based on their nuclear structure, number of chromosomes, binding protein, and selective permeability, eukaryotes differ from prokaryotes in their DNA (Deoxyribose Nucleic Acid).
Temperature sensors are found where in the body?
O The pancreas and gallbladder
O The hypothalamus and the skin
O The adrenal gland and pituitary gland
O The lungs and heart
O The liver and kidneys
I need help with these if do thank you so muchh
A gene is a unit of heredity that is responsible for the inheritance of a particular trait from parents to offspring.
What are the principles of natural selection?The four principles of natural selection are:
Variation: Individuals within a population exhibit differences in their traits or characteristics.
Inheritance: Some of these variations are passed from parents to their offspring.
Selection: Individuals with certain variations that make them better adapted to their environment are more likely to survive and reproduce.
Time: Over many generations, the frequency of advantageous traits increases within the population, leading to evolutionary change.
A species is a group of individuals with similar physical and genetic characteristics that can interbreed and produce fertile offspring.
Genetic drift is the movement of alleles from one population to another due to chance events, such as the migration of individuals.
The term that refers to the evolutionary history of a species is "phylogeny".
Phylogeny is the study of the evolutionary relationships among organisms and their history of descent from a common ancestor. It is based on the comparison of anatomical, genetic, and other characteristics among different species.
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The trait for the type of leaf margin is con-
trolled by 1 pair of alleles. Serrate margin is
dominant over entire margin. Two plants
with serrate margin leaves (1 heterozygous
and 1 homozygous dominant) are crossed.
What is the chance that the offspring have
entire leaves
Since the genotype ss is the only one that produces the entire margin phenotype, the chance of an offspring having entire leaves is 50% (1 out of 2 possible genotypes: ss or Ss/sS).
What is an allele?An allele is a variant form of a gene that can determine a specific trait or characteristic. Genes are located on chromosomes and can have multiple alleles, which can be dominant, recessive, or codominant. Alleles can be inherited from both parents and can interact with other alleles to determine the phenotype of an organism. For example, the gene for eye color in humans has several alleles, including brown, blue, and green.
The offspring will have a 50% chance of having entire leaves.
When the heterozygous (Ss) and homozygous dominant (SS) plants are crossed, their offspring will inherit one allele from each parent. The possible combinations of alleles are: SS, Ss, and sS (which is the same as Ss).
The genotype SS and Ss both have the dominant allele for serrate margins, while the genotype ss has the recessive allele for entire margins.
Therefore, the possible genotypes and their corresponding phenotypes are:
SS: Serrate margin
Ss: Serrate margin
sS: Serrate margin
ss: Entire margin
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All of the following choices are evidence for the recent changes in global climate EXCEPT:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
polar ice melting at unprecedented rates.
Hurricane Sandy, which hit the East Coast of the United States in 2012.
prairies giving way to deserts in Africa and the American West.
coral reefs dying off due to ocean acidification and heating.
With the exception of coral reefs disappearing because of acidification of the oceans and becoming warmer all of the choices that follow represent evidence of contemporary climate shifts on a worldwide scale.
Which of these are thought to be possible climate change effects?Trends in weather and precipitation change. increases in acidity, sea level, and temperature of the oceans. melting of sea ice and glaciers. alterations in the occurrence, severity, and length of extreme weather occurrences.
What are the climate change's four primary effects?Droughts that are more frequent and extreme, storms, extreme temperatures, rising seas, glaciers melting, and warmer oceans can all directly injure animals, destroy the habitats they rely on for survival, and have a disastrous impact on people's way of life and communities.
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