Answer:
D
Explanation:
I think it was to do with beak lengths
What is the best way to deal with biodiversity hotspots?
during replication strands of DNA separate from each other when bonds are broken between..
A. phosphates
B. deoxyribose sugars
C. nitrgen bases
D. amino acids
During replication strands of DNA separate from each other when bonds are broken between nitrogen bases. Therefore, option (C) is correct.
What is DNA replication?The biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the most crucial component of biological heredity.
There are two stages to the beginning of the DNA replication process. To begin, a protein known as an initiator unwinds a portion of the DNA double helix along a very short region. After then, a protein that is known as helicase attaches itself to the DNA strands and breaks the hydrogen bonds that are present between the bases. This results in the two strands of DNA being separated.
When two single strands of DNA are cut apart, a 'Y'-shaped structure is produced that is referred to as a replication 'fork.'
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What are the advantages and disadvantages of seed and spore reproduction? Justify whether seed reproduction or spore reproduction is more beneficial for the continuation of an organism.
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No Water Required
Seeds do not necessarily need water to germinate and grow, although some require water to soften the seed coat. Large seeds in dry conditions will hold water and allow the growing plant to grow deep roots without the need for rain or additional water.
Fully Developed Embryo
Inside each seed is a fully developed embryo that is ready to begin growing. Many seeds go through a dormancy period, which is a period when the seed will not germinate and begin growing. When conditions are right, the embryo germinates and begins growing. Having an embryo already grown gives a seed plant a better chance at survival as opposed to a spore.
Nourishment
Each seed contains nourishment for the embryo inside the seed. The endosperm is the tissue that surrounds the embryo inside the seed. The embryo uses nourishment provided by the endosperm as a jump start to begin growing.
The Seed Coat
The seed coat is one major advantage seeds have over spores. A spore is a single-celled organism that develops into a plant or fungus when the conditions are right. The spore has no outer protection.
Answer:
bailey is so smart good job
Organisms use different types of adaptations to aid in their survival. Which of the following is an adaptation that would not help a lion to catch its prey?
a.
group hunting
b.
hyoid bone adapted for roaring
c.
camouflage
d.
keen eyesight
Answer:
B. Hyoid bone adapted for roaring.
Explanation:
The process of roaring is unrelated to helping a lion catch its prey unlike the other 3 adaptions which would allow for better success rates in terms of finding and catching prey.
Answer:B
hyoid bone adapted for roaring
Explanation:
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When molten material cools very slowly deep inside Earth, what happens to the size of the crystals?
A. The crystals are smaller compared to crystals formed closer to Earth’s surface.
B. The crystals grow at the same rate as those formed closer to Earth’s surface.
C. The crystals are larger than those formed closer to Earth’s surface.
D. The crystals are smaller because they form in a hot water solution.
[tex]\huge\fbox\orange{A} \huge\fbox\red{N}\huge\fbox\blue{S}\huge\fbox\green{W}\huge\fbox\gray{E}\huge\fbox\purple{R}[/tex]
C. The crystals are larger than those formed closer to Earth’s surface.
[tex]\huge\underline\mathtt\colorbox{cyan}{EXPLANATION:}[/tex]
If the magma cools quickly, the crystals do not have much time to form, so they are very small. If the magma cools slowly, then the crystals have enough time to grow and become large. Some granites contain minerals which are up to one meter (3 ft) across!
how long does it take for food to be digested and pooped out?
Answer:
The food you've eaten goes down your oesophagus to your stomach, then to your small intestine, large intestine, and out out the anus during digestion, which can take anywhere from 24 to 72 hours.
Explanation:
Answer:
Lol going to copy his answer for points
Explanation:
The food you've eaten goes down your esophagus to your stomach, then to your small intestine, large intestine, and out out the anus during digestion, which can take anywhere from 24 to 72 hours.
Maggots get their energy by breaking down dead and decaying animals. What are maggots? autotrophs producers decomposers heterotrophs.
Food is the source of energy that is used by the organism for the process of metabolism. Maggots are the larva of flies and depend on dead and decaying matters.
Maggots are:
Option C. Decomposers
This type of organism can be explained as:
The organism is classified into different classes according to the nature of its feeding habits.Autotrophs are called the primary producer and break inorganic compounds into organic for energy.Producers are the organism that produces their food by converting solar energy into chemical energy.Decomposers are small-sized organism that lives in soil and breaks the organic compound of dead and decayed bodies.Heterotrophs are organism that depends on other sources and producers for energy.Therefore, maggots are decomposers.
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Answer: C- Decomposers
Explanation:
quiz
1. Describe the equator and identify which letter represents it in the picture. Make sure to use a complete sentence in your response.
А
B
C
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what is the specific function of the structure labeled f?
Answer:
The muscle spindle indicated by F functions as a proprioceptor that is responsive to changes in the length of the surrounding muscle.
Explanation:
The specific function of the structure labeled f is proprioceptor that is responsive to changes in the length of the surrounding muscle.
What is the function of the muscle spindle?The muscle spindle is activated whenever the weight of the body, tending to bend the knees, stretches the muscles. Stimuli are sent to the spinal cord and through the motor nerve and the muscles contract to counteract the action of gravity.
The Muscle spindle is a proprioceptive sensory receptor spindle composed of muscle bundle fibers. Its main function is to signal changes in the length of the muscle on which it is located. Muscle Spindles are structures responsible for mechanical myo-integrity and regulation of muscle contraction/distension.
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which adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have?
Answer:
pollen and seeds
The adaptation do ferns, gymnosperms, and angiosperms have that mosses do not have they have seeds and pollen for reproduction.
What do mosses not have?Mosses make up the majority of bryophytic plants. They are small plants with a simple structure, they do not have conducting vessels, flowers and seeds.
Ferns have a vascular system that transports food, water and minerals to the upper parts through hair-like roots. Mosses do not have true roots or a vascular system. Instead, they absorb water and minerals from the soil where they grow.
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during the light reactions of photosynthesis protons are actively transported:
Answer:
During photosynthesis a proton gradient is maintained by the active pumping of protons across the thylakoid membrane into the lumen of the thylakoid. ... The light dependent reactions require photosynthetic pigments that are found embedded in the thylakoid membrane.
During photosynthesis a proton gradient is maintained by the active pumping of protons across the thylakoid membrane into the lumen of the thylakoid.
What is light reaction?The initial step of the photosynthesis process is called the light reaction, and it is at this stage that solar energy is turned into chemical energy in the form of ATP and NADPH. Both the protein complexes and the molecules of the pigment contribute to the synthesis of NADPH and ATP.
The thylakoid discs are the locations of the light response that takes place. There, oxygen (O2) is produced as a byproduct of the oxidation of water (H20). After being released from water, the electrons are then transferred to ATP and NADPH. Outside of the thylakoids is where the dark reaction takes place.
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Please help
4.___are essentially molecules of DNA.
The ____theory accounts for the method by which a molecule of DNA makes a
copy of itself.
Answer:
Nucleotide
DNA replication
Explanation:
Although all organelles of the eukaryotic cell interact with each other within the cell to maintain homeostasis, the mitochondrion has a unique evolutionary history. It is proposed that this organelle originated as an engulfed aerobic bacterial cell that lived in a symbiotic relationship with its host cell. This explanation for the origin of the mitochondria can be supported by multiple lines of evidence. Select ALL statements that could provide accurate support for the theory of endosymbiosis as it relates to the mitochondrion. A) Mitochondria have multiple membrane layers. B) Mitochondria are the largest and most numerous organelle in the cell. C) Mitochondria have their own ribosomes separate from the ribosomes in the cell. D) Mitochondria have their own DNA that resembles the circular chromosome of bacteria. Eliminate E) Mitochondria have the ability to control when the cell undergoes mitosis or exits the cell cycle.
Answer:
A
C
D
Are correct
Hope it helps
Why does Earth experience different seasons?
the revolution of Earth on its own axis in 24 hours
the revolution of Earth on its own axis in 24 hours
the presence of the Moon in between the orbit of the Sun and Earth
the presence of the Moon in between the orbit of the Sun and Earth
the distance between the Sun and Earth changing throughout the year
the distance between the Sun and Earth changing throughout the year
the variation in the amount of sunlight received due to the tilt of Earth’s axis
Answer: The answer is because of the variation in the amount of sunlight received due to the tilt of Earth’s axis.
deficiency of nitrate ions in plants
Answer:
Plants absorb nitrates in water through their roots. ... Without nitrates, the amount of chlorophyll in leaves reduces. This means leaves turn a pale green or yellow colour. This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .
Explanation:
Construct a food web red fox
Answer:
rabbit
Explanation:
herbivore
Which energy substance is a DIRECT source of energy used by the body to perform a multitude of functions, such as muscle contraction
Explanation:
the answer is; carbohydrates ...turn to ATP..
carbohydrate, example/ fruits, some veggies, real fruit juices..
processed sugar only works for a short time, due to the fact it is absorbed quicker than proteins.
your muscle depends on carbs, along with some proteins for energy. ATP is the end result is that cells can absorb ATP for immediate energy..Any extra is stored in adipose tissue for later use.
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How do the organs in the endocrine system work together?
A. Organs produce hormones that change a child's body into an adult.
B. Organs filter toxins from blood and urine.
C. Organs transport oxygen to different parts of the organism.
D. Organs transmit electrical signals throughout the organism's body.
Answer: The answer is A, organs produce hormones that change a child's body into an adult.
Explanation: The endocrine system is responsible for regulating a range of bodily functions through the release of hormones.
Hormones are secreted by the glands of the endocrine system, traveling through the bloodstream to various organs and tissues in the body. The hormones then tell these organs and tissues what to do or how to function.
In the area illustrated, what process is evident over time?
In the area illustrated in the image attached, the biological process which is evident over time is: ecological succession.
Ecology can be defined as the scientific study of the relationship existing between living organisms such as plants and animals with respect to their physical and biological environment (abiotic factor).
In Ecology, ecological succession refers to a process through which the structure of an ecological (biological) community evolves or changes over time.
Generally, there are three (3) main types of ecological succession and these include:
Primary successionSecondary successionCyclic successionFrom the ecological (biological) community illustrated in the image attached, we can deduce that there is an evolution (change) in the species of plants growing over time. This ranges from weeds during the first visit to pine and oak trees during the seventh visit.
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which two organelles in eukaryotic cells originated from prokaryotes?
Throughout the course of evolution, organelles such as mitochondria and chloroplasts (a form of plastid) may have arisen from engulfed prokaryotes.
The discovery that syphilis led to paralysis and to delusions of grandeur supported the _____ perspective.
The discovery that syphilis led to paralysis and to delusions of grandeur
supported the somatogenic perspective.
What is Somatogenic perspective?Somatogenic perspective is defined as personality disorder which arise as a
result in changes in the physiological or biochemical aspect of the body. The
personality trait is delusions of grandeur which is when an individual thinks
he has more power or other traits than normal.
Relationship between Syphilis and delusion of grandeurDelusion of grandeur is common in people with Syphilis and can be
classified as being under personality disorder which is why Somatogenic is
the most appropriate choice.
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Most of the food and waste materials that move into and out of a cell pass through
A.receptor proteins.
c. enzymes.
b. marker proteins.
d. channel proteins.
If brown hair is dominant and red hair is recessive, what are the possible genotypes for Sally is she has brown hair?
Answer:
the answer is BB, Bb
Explanation:
If brown hair is dominant you need to consider the fact that it cant be bb otherwise she would have red hair because lowercase genotypes mean recessive. this eliminates the first and third answer leaving you with the second and fourth answer and we can eliminate the second answer because it says "what are the possible genotypes" meaning we need to list all the possible answers which leaves you with the fourth option.
A student observes the night sky in July with a telescope. The student does not see the constellation Canis Major.
Why is Canis Major missing from the night sky in July?
Canis Major moves around Earth.
Canis Major moves around Earth.
Canis Major moves around the Sun.
Canis Major moves around the Sun.
Earth rotates on its axis, and the Moon blocks Canis Major.
Earth rotates on its axis, and the Moon blocks Canis Major.
Earth orbits the Sun, and the Sun blocks Canis Major.
Answer:
You can only see it in December through March
Explanation:
The Canis Major can only be seen during the Winter season.
During transcription, a strand of mRNA is made based on the DNA template in the _______________.
help!!!!
Answer:
During transcription, a strand of mRNA is made based on the DNA template in the nucleus.
Explanation:
Hope this helps.
What's a recycling plant and how are electromagnets used there?
Answer:
A recycling plant is a factory for processing used or abandoned materials. The different types of recycling plants include those that process glass, metals, and paper back into raw materials. Other plants focus on items that require complicated recycling processes, such as concrete, electronic equipment and various plastics.
Electromagnets are used to lift and manoeuvre the crushed up ferrous materials or again to extract them from a pile of scrap. Ferrous materials are heavy and sharp but with the strength of the electromagnets they can be lifted and moved around with ease.
Hope that helped. x
Why is meiosis important for sexua
reproduction?
Answer:
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.
HELP WITH SCIENCE PLS!!
what change to a property of a light wave would make the light wave appear dimmer?
a. reducing the waves frequency
b. reducing the waves amplitude
c. increasing the waves amplitude
d. increasing the waves frequency
Answer:
B.
Explanation:
The brightness of light is related to intensity or the amount of light an object emits or reflects. Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.
The brightness of light is related to intensity or the amount of light an object emits or reflects.
What is brightness?Brightness depends on light wave amplitude, the height of light waves. Brightness is also somewhat influenced by wavelength.
When a source appears to be reflecting or radiating light, it is said to be bright. It's critical to comprehend the terminology and technology utilized in the lighting sector.
Lumens are a unit of measurement for light output from a bulb. A light's lumen count indicates its brightness; a lower lumen count indicates a dimmer light. Weight is like bananas, To milk are gallons, Lumens enable you to purchase the desired amount of light.
Therefore, The brightness of light is related to intensity or the amount of light an object emits or reflects.
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A student is conducting a breeding experiment. She knows the genotype of one parent plant and concludes that she can use a Punnett square to predict the outcome of crossing the plant with another plant. Which statement best explains why this conclusion is incorrect?
a. She needs to know the phenotypes of the previous plant generation.
b. She needs to know the phenotype of the first plant.
c. She needs to know the genotypes of the previous plant generation.
d. She needs to know the genotype of the second plant.
D. She needs to know the genotype of the second plant.
What is a punnett square?A Punnett square is a tool used to predict the outcome of a genetic cross between two individuals. To use a Punnett square, you need to know the genotypes of both of the individuals involved in the cross. In this case, the student knows the genotype of one parent plant, but does not know the genotype of the second plant.
Therefore, she cannot use a Punnett square to predict the outcome of the breeding experiment. In order to do so, she would need to know the genotype of the second plant.
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point mutations, such as silent, nonsense, and missense mutations, are caused by
Answer:
damage to DNA during replication process