Human beings are omnivores.
The term "omnivores" refers to generalized feeding i.e., they can consume both plants and meat. They have specialized adaptations for gathering, eating, and processing food that contains both plant protein and animal protein. McArdle goes on to say that omnivores are primarily "opportunistic" feeders that take advantage of food opportunities in order to survive. They exhibit more universal physiological and anatomical characteristics. One such feature is the human dentition (set of teeth). It proves that the human diet is by nature omnivorous and not herbivorous given the presence of canine teeth for tearing flesh and molars for grinding and chewing. Our digestive system is shorter than that of a herbivore and longer than that of a carnivorous animal. A characteristic of omnivores is this. Vegetation requires a longer digestive system as that of herbivores to be fully digest than plant based diet. Meat is however, easily broken down. Nevertheless, consuming animal protein is not necessary for humans. It's up to you what you do.Hence, human dentition and length of the digestive tract are examples that suggest that humans are adapted to have an omnivorous diet.
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Earth is made of solid materials. Jupiter, Saturn, Uranus, and Neptune are all made of gas. Which is true about the density of these planets?
They are more dense than Earth.
They have no density.
They are less dense than Earth.
They have the same density as Earth.
Answer:
they are less dense than earth
What is the function of the Earth's atmosphere?
A.To let the heat of the sun escape to outer space
B.To help UV radiations reach the surface of the Earth
C.To help keep our planet's temperature stable by trapping heat and radiation from the sun
D.None of the above
+ 11 points
Answer:
its "C"
Explanation:
On our planet we can survive thanks to a layer of different composition of gases that surrounds the whole Earth. This layer remains on Earth thanks to gravity. It is the earth's atmosphere, and it is difficult to determine exactly its thickness, since the gases that make it up become less dense with height, until they practically disappear a few hundred kilometers from the surface.
The atmosphere fulfills various functions for life on the planet and without it we would not be able to have life as we know it.
A scientist is examining a multicellular organism that has ability to harness the energy from the sun to make its own food what kingdom would be the best option when classifying the organism
Answer:plantae
Explanation:
Which kind of organism obtains energy directly from the sun?
A. decomposers
B. omnivores
C. herbivores
D. producers
Answer: D producer
Explanation: The answer has to do with trophic levels. As you probably know, the organisms at the base of the food chain are photosynthetic; plants on land and phytoplankton (algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.
Answer:
Producers
Explanation:
The first trophic level in a food chain consists of producers. As the name says, they are able to take in sunlight and convert it into chemical energy. Hence can use the energy directly from the sun due to special pigments on their body. Examples: Green plants.
Which choices represent a physical change that a person could make to a piece of paper? Select ALL that apply. A. cut B. burn C. fold D. wad up (Remember this is a pick more than one question)
Answer: A, C, D
Explanation: All of them change the physical appearance except for B because when you burn paper it is a chemical change that can not be undone. Only a physical change can be undone.
What makes a "controlled experiment"?
How do transport proteins make it easier for certain
molecules to diffuse across a membrane?
Answer:
They create a channel/tunnel for them to go through the membrane without coming in contact with it.
Please help me fast i am so tired with this question
Answer:
C
Explanation:
Structure is the correct answer because of the turgor pressure
scientist sort fungi into___groups based on how they reproduce
Answer:
because
Explanation:
because to bbbbghhj
QUESTION 1
Name the species interaction.
The strangler fig (Ficus crassicuscula) begins as a seed dropped by a bird or monkey into the tree canopy. The seed sprouts and tendrils
grow downward and around the host tree. Finally the tendrils reach the ground where they grow their own root system. As the strangler fig
continues to grow around the host tree, the host often dies either as a result of the fig strangling it or from lack of sun as the strangler fig
shades the host tree. The strangler fig then consumes the nutrients of its decaying host.
OA. Commenalism
OB. Resource Partitioning
OC. Competition
O D. Parasitism
Interaction between species is called parasitism, as option D shows.
What is parasitism?It is a disharmonious relationship between two living beings.It is a relationship where only one of the individuals benefits while the other suffers harm.A parasite is a living being that takes advantage of another living being's resources, stealing them completely. An example of this is the strangler fig which uses the structure of another plant to get sunlight and nutrients.
The strangler fig does not supply the host plant with anything, but absorbs its nutrients and prevents it from receiving sunlight, causing it to slowly die.
In this case, we can see a clear example of parasitism.
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need help please!!!
I need a summary on the continental drift theory!!
What is some examples of scientific hypothesis?
Consider your knowledge about the cell membrane and check all of the true statements below
The statements that are true about cell membrane are:
In water, phospholipids spontaneously arrange into a bilayer.Steroids in cell membranes allow the membrane to be more fluid.Phospholipid bilayers surround all eukaryotic cells.Both plant and animal cell membranes are considered fluid mosaics.A biological barrier called the cell membrane isolates and safeguards the interior of all cells from the external environment. Cells make up all living things, including both eukaryotic and eukaryotic creatures, and all cells have cell membranes.
Phospholipids naturally form bilayers in an aqueous environment, with the hydrophilic heads of the phospholipids facing the water environment at the surface and the hydrophobic fatty acid chains being protected from the water on the inside. Steroids are lipids that intercalate into the plasma membrane's bilayer of a cell, making the cell membrane less fluid. Different biological functions for integral membrane proteins could exist. Permeases, for instance, are integral membrane proteins that aid in the passive diffusion of specific substances (such as glucose) across the cell membrane.
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The complete question is:
consider your knowledge about the cell membrane and check all of the true statements below. Check All That Apply Cell membranes are present in only two of the three domains of life. Cell membranes are present in only two of the three domains of life. In water, phospholipids spontaneously arrange into a bilayer. In water, phospholipids spontaneously arrange into a bilayer. The area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic. The area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic. Steroids in cell membranes allow the membrane to be more fluid. Steroids in cell membranes allow the membrane to be more fluid. Phospholipid bilayers surround all eukaryotic cells. Phospholipid bilayers surround all eukaryotic cells. Membrane proteins offer structural support to the membrane but have no other function. Membrane proteins offer structural support to the membrane but have no other function. Both plant and animal cell membranes are considered fluid mosaics.
How is the earth different from all of the other planets?
It has rocky surface
It is warmed by the sun
It has a breathable atmosphere
It rotates on its axis
it rotates on its axis.have a good day:)
give three characteristic features of amphibians which help to differentiate them from fishes
Answer:
Academic ___________ is applying honesty and trustworthiness to your learning .
When demand for a product is low, the producer will
Answer:
The producer will lower prices
Explanation: If there is little demand for a product, the production for that product will If there is little demand for a product, the production for that product will.- A lack of market demand will force you to lower prices in order to move products off the shelves, while a lack of supply may cause prices to skyrocket.
Answer:
Lower the price to try to increase the demand
Explanation:
Which statement is correct about scientific laws and theories?
They can change into one another.
They both describe a phenomenon.
They serve different purposes in science.
They both explain a phenomenon.
The statement that is correct about scientific laws and theories is they both explain a phenomenon. The correct option is D.
What are a theory and a scientific law?A theory is an explanation of any scientific phenomenon. The theory is given by experimenting with any phenomenon by using variables and testing them, then giving the theory.
A scientific law is a law that is made about any phenomenon in nature. They both explain the secrets of things in the natural world. They have verified forms.
Thus, the correct option is D. They both explain a phenomenon.
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why packing food in salt makes the food last longer without refrigeration?
Answer:
Salt reduces the water in the food and inhibits bacterial growth. In this way, the salt preserves the food from bacteria. A refrigerator is also used to keep the food fresh for an extended period. Colder temperatures in refrigeration help to slow down the growth of bacteria and microorganisms that would spoil the food.
Answer:
Salt reduces the amount of water in food and prevents bacterial growth. As a result, the salt protects the food from bacteria. A refrigerator is also used to keep food fresh for a long time. Colder temperatures in refrigeration aid in slowing the growth of bacteria and microorganisms that would otherwise spoil the food.Which of the following is a term used to describe "negative changes to feeding levels in aquatic ecosystems caused by human activity"?
A. biological oxygen demand
B. cultural eutrophication
C. endocrine disruptors
D. turbidity
Answer:
maybe B. because it occurs because of human water pollution
The negative change to feed levels in aquatic ecosystems caused by human activity is cultural eutrophication. Therefore, the correct statement is option B.
What is cultural eutrophication?Cultural eutrophication is the process by which human activities, such as agricultural runoff introduce excessive nutrients into aquatic ecosystems. This can lead to an overgrowth of algae and other aquatic plants to deplete oxygen levels in the water as they decompose.
This can negatively impact feeding levels in aquatic ecosystems by reducing the food availability for organisms that live in the water and these negative changes to feed levels in aquatic ecosystems are due to human activity.
Biological oxygen demand is a measure of the amount of dissolved oxygen needed by biological organisms in water to break down organic material, whereas endocrine disruptors are chemicals that interfere with the endocrine system of organisms.
Therefore, cultural eutrophication causes negative changes to feed levels in aquatic ecosystems caused by human activity.
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A 40-kilogram student on an inner tube is pulled by a boat. The force from the boat results in the student accelerating a 2 m/sec2 . Calculate the net force needed to cause this acceleration.
The net force needed to cause this acceleration on the student is 80 N.
What is the net force acting on the body to cause the students to accelerate at 2.m/s²?Force is a defined as any push or pull agent that cause a change in the state of rest or motion of a body.
This force that brings about these changes is known as a net force since they are unbalanced by an equal oppositely directed reaction force.
Net forces cause a body at rest to move or a moving body to stop or change direction.
The formula to calculate net force is given below:
Force = mass * accelerationFrom the data provided:
mass of the boy = 4 kg
acceleration on the boy = 2 m/s²
Net force on the boy = 40 kg * 2 m/s²
Net force on the boy = 80 N
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Question 1 of 10
A researcher observed an amoeba under a microscope. While she watched,
the amoeba moved toward a smaller object, surrounded it, and brought the
object inside itself. Which two characteristics of life did the amoeba
demonstrate?
A. Evolution
B. Reproduction
C. Obtaining matter and energy
D. Response to stimuli
← PREVIOUS
SUBMIT
Answer:
B, but I'm not 100% sure if uts B though
The amoeba demonstrated two characteristics of life: C. Obtaining matter and energy and D. Response to stimuli. Therefore option C and D is Correct.
By moving toward a smaller object and engulfing it, the amoeba showcased the characteristic of obtaining matter and energy, as it consumed the object to nourish itself and carry out its life processes.
Additionally, the movement toward the smaller object reflects the amoeba's ability to respond to stimuli, indicating its sensitivity to its environment.
Both of these characteristics are fundamental attributes of living organisms, where they interact with their surroundings, acquire nutrients, and respond to stimuli to maintain their life functions and survival.
Therefore option C Obtaining matter and energy and D Response to stimuli is Correct.
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According to the circle graph, which plant parts do siamangs rely on most as a source of their food?
According to the circle graph, the plant parts that siamangs rely on most as a source of their food are the leaves.
This is because from the given image, the Siamangs need to consume food and after the conversion of light energy to food through photosynthesis, they rely on the leaves for their own food.
What is Photosynthesis?This refers to the use of sunlight by green plants to produce their own food.
Hence, we can see that According to the circle graph, the plant parts that siamangs rely on most as a source of their food are the leaves.
This is because from the given image, the Siamangs need to consume food and after the conversion of light energy to food through photosynthesis, they rely on the leaves for their own food.
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Question: What occurs when two glucose molecules bond?
1. Infer: Glucose is an example of a monosaccharide, the simplest type of carbohydrate. A
disaccharide is made from bonding two monosaccharides together.
What do you think the prefixes mono- and di- mean? Mono-:
Di-:
When two glucose molecules bond it forms maltose.
Maltose is a disaccharide made up of two units of glucose connected together by a bond. It is sometimes referred to as maltobiose or malt sugar. The two glucose molecules are connected together by a bond in the isomer isomaltose. Maltose is the two-unit member of the amylose homologous series, which is the main structural motif of starch.
It is found both naturally and artificially in a variety of foods, including beer, bread, breakfast cereals, and high-maltose corn syrup. Maltose can either be absorbed by the body and stored for later use or it can be broken down into glucose for immediate use. In essence, maltose is a crucial source of energy.
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The Midwest United States is dominated by grasslands and food crops. Which abiotic factors of temperate grasslands create rich soils for farmland?
Low precipitation and distinct seasons
Distinct summers and winters; high rainfall
Mild winters, high precipitation, and lack of trees
High precipitation and little seasonal change
The wide amplitude of seasonal temperature and precipitation and the presence of dominant grasses provide structure and fertility to the soil of temperate grasslands. B) Distinct summers and winters; high rainfall.
What are temperate grassland biome characteristics?
This biome is distributed in the northern and southern hemispheres.
Temperate grasslands are open-plane areas covered by herbal vegetation, with a few deciduous woody species. Grasses dominate temperate grasslands.
They are severely affected by fires and tornados.
Fires, droughts, and grazing by animals prevent different woody species from establishing.
Temperature and rains in these regions widely vary with seasons.
The high levels of precipitation and humidity are characteristic of the biome. Rains occur more often during the spring and summer.
Climatic conditions drove grass species to develop large roots to establish on the ground. This characteristic helps to reduce erosion and to keep soil humidity.
The grasses' height is influenced by precipitation, with taller grasses growing in the areas where it rains more.
The soil characterizes as being unusually rich, fertile, and deep, getting nutrients from vegetation and rainwater. Dead vegetation tissues provides nutrients for the living one.
The correct option is B: Distinct summers and winters; high rainfall.
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you decide to halve the time you spend in the shower each day and to turn off the water while you're brushing your teeth and washing your face at the sink. Evaluate the effect that these actions might have on two different aspects of the water cycle if every person in your neighborhood also performed them
Answer:
If every person in your neighborhood decided to cut the amount of water they use in half, that would have a tremendous positive effect on the water.
Explanation:
Reducing shower time and turning off water while brushing teeth conserves water, benefiting both water supply by preserving sources and reducing demand on treatment facilities.
By halving the time spent in the shower and turning off the water while brushing teeth and washing faces, individuals in the neighborhood can significantly reduce their water consumption. This would have a positive effect on both the supply and demand aspects of the water cycle. On the supply side, the reduced usage would decrease the strain on local water sources such as rivers, lakes, and underground aquifers. It would contribute to the conservation of these resources, promoting their sustainability and maintaining ecological balance.
On the demand side, the reduced water consumption would alleviate the pressure on wastewater treatment facilities, reducing energy requirements for water treatment and decreasing the discharge of treated water back into the environment. Overall, these actions would promote water conservation, help preserve natural water sources, and contribute to a more sustainable water cycle in the neighborhood.
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The complete question is:
You decide to halve the time you spend in the shower each day and to turn off the water while you're brushing your teeth and washing your face at the sink.
Required:
Evaluate the effect that these actions might have on two different aspects of the water cycle if every person in your neighborhood also performed them.
Fill in the Sentence!
Answer:
Plants use glucose as food. Glucose allows plants to carry out important cell functions. Plants grow and reproduce using the glucose they produced during photosynthesis.
Explanation:
First blank: Glucose
Second blank: Cell
Third blank: Reproduce
Forth blank: Photosynthesis
Plants use glucose as food. Glucose allows plants to carry out important cell functions. Plants grow and reproduce using the glucose they produced during photosynthesis.
What is photosynthesis?Photosynthesis can be described as a process used by plants and other organisms to convert light energy into chemical energy which through cellular respiration, can release energy in the form of ATP to fuel the organism's activities.
Plants produce glucose during photosynthesis which is then stored as starch or converted to other molecules. The oxidation of glucose during cellular respiration provides plants with energy used by plants to carry out important cell functions.
Considering the given question above:
The first blank is Glucose.
The second blank is cell.
The third blank is reproduce
The fourth blank is photosynthesis.
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Identify some characteristics a species may possess that would fuel its ability to cause ecological damage, as the brown tree snake has in Guam. Provide some reasoning for why you chose these characteristics.
Lionfish is an invasive species that prey on herbivorous fishes decreasing their population, causing an increase in algae population, and consequently affecting coral health. They also compete and affect native piscivorous.
What are the problems associated to invasive species?
The introduction of invasive species has ecological, economic, and socio-cultural consequences.
Once an invasive species has been established, it overgrows.
In the new areas, these species have less environmental pressure and better conditions than in their origin area -fewer predators, more resources, and better nitches-.
These factors favor their establishment because they are adapted to surviving under harder conditions.
They interact with native species by competing for resources such -as water, place, radiation, exposure, shelter, food, etcetera-.
They can also become significant predators of native species, consuming a wide diversity of prey items, and in many cases, there are no native species that may prey on them. They have no predators.
They provoke significant damage to the structure of native ecosystems, causing severe damage to endemic species. They produce ecological imbalances in the trophic chains and the dynamics of communities.
As they expand, they can also affect human in an economic manner and has socio-cultural effects. Many invasive species might cause crop loss by eating cultures. They attack farm animals. They affect buildings and other structures or ships by eating wood. They might even attack humans and cause health problems.
This is the case of the brown tree snake, which has provocked the extinction of many bird species in Guam.
Another examples is the Lionfish in Atlantic ecosystems.
This tropical invasive species has successfully been established in the Atlantic Ocean, where it is seriously affecting the marine ecosystem.
This species inhabits waters from the coast to 50 meters deep, mostly in reefs and rocks that provide protection. They have a few predators and consume a high diversity of prey items, causing an imbalance in marine trophic webs.
Lionfish is a piscivore species that has caused a sharp decrease in the density of young and herbivorous fishes.
It competes with other native piscivores affecting their population growth rate.
Since they prey on fishes that feed on algae, the reduction in their populations has caused an increase in algae population size.
Algae overgrowth produces severe damage to the coral reefs, enhancing their mortality.
The main consequences of lionfish introduction into the Atlantic ecosystems are the followings,
marine biodiversity loss, water quality decrease, ecosystem recovery difficulty, and impacts on food provisioning for many other ocean species.You can learn more about invasive species at
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what are other ways that wite blood cells protect the body other than
producing antibodies
White blood cells engage in defence-related functions by consuming foreign objects and cell debris, eliminating pathogens and cancer cells, or by creating antibodies.
The immune system of the body includes white blood cells. They support the body's defences against illness and infection. Granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes are different types of white blood cells (T cells and B cells).
You run a higher risk of getting sick if your white blood cell count is low, especially if your neutrophil count is low. Additionally, your body is unable to defend itself if you contract an illness when your white blood cell count is low. In some situations, the infection might be fatal.
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What is the trend between 20-30 years in the kelp population?
The tresnd is decreasing because of the loss in kelp production due to sea urchins.
There are algae that are unicellular to multicellular in structure and they have a thalloid body that is not divided into the stem root and leaves to normal plant body having the root stem and leaves and they show and live in a wide range of habitats like in water, snow, land, marshy areas, etc and the algae have different kind of pigments like chlorophyll a, b, c, d and xanthophyll, carotenoids and according to this they are divided into green, brown, red and golden algae and the largest brown algae are called as kelps which is the largest seaweed found in the floors opf oceans and it is served as food for humans and also for sea urchins and the number of sea urchins is increasing which inturn increases the environmental pressure and they are used to eat as well the trend in the 20 to 30 years in the kelp population is that it is reducing because of sea urchins the aquatic animals because they eat kelps and clip the bottonms and due to which the sea urchins stop the keps from regrwoing as the sea urchins live there so the habitat of kelps is being lost .
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2. Timmy's mother was heterozygous for the freckles trait. Looking at the Punnett square for his grandparent's mating, what
was the probability of Timmy's mother having a different genotype? What was the probability of Timmy's mother having a
different phenotype?
The Punnett square is used to get the probabilities of getting offspring with different genotypes and phenotype. There were 0% chances that Timmy's mother could express a different genotype.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
Let us analyze Timmy's family.
Remember we are talking about a somatic diallelic gene taht expresses complete dominance,
F is the dominant allele and codes for frecklesf is the recessive allele and does not code for freckles.Family's genotypes
Timmy ⇒ FFSally ⇒ FfMother ⇒ FfFather ⇒ FfMaternal grandfather ⇒ FFMateral grandmother ⇒ ffTimmy's mother and father are heterozygous for this trait, meaning the genotypic ratios of their progeny is 1:2:1 (25% FF + 50% Ff + 25% ff).
Parents' cross: Ff x Ff
Punnett square) F f
F FF Ff
f Ff ff
F1)
25% of their progeny was expected to be homozygous dominant, FF, expressing freckles.
50% was expected to be heterozygous Ff expressing freckles.
25% was expected to be homozygous recessibe, ff, with no freckles.
The genotypic ratio of Timmy and Sally progeny will be 1:1 (50% FF + 50% Ff).
Timmy and Sally' cross: FF x Ff
Punnett square) F F
F FF FF
f Ff Ff
F1)
50% of their progeny are expected to be homozygous dominant, FF, expressing freckles.
50% are expected to be heterozygous Ff expressing freckles.
Grandparents' cross: FF x ff
Punnett square) F F
f Ff Ff
f Ff Ff
F1) Their whole progeny was expected to be heterozygous Ff expressing freckles.
There were 0% chances that Timmy's mother could express a different genotype.
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Complete question
Trait F is the Mendelian trait for freckles, where F is dominant over f.
Timmy is homozygous dominant for trait F.Timmy mates with Sally who is heterozygous for trait F.Timmy’s father and Timmy’s mother are both heterozygous for trait F.Timmy’s maternal grandmother (mother’s mother) is homozygous recessive for trait F. Timmy’s maternal grandfather (mother’s father) is homozygous dominant for trait F.Looking at the Punnett square for his grandparent's mating, what was the probability of Timmy's mother having a different genotype?