Answer:Each and every one of us have several roles. Organisms in a community play other roles too. An organism's role within an ecosystem depends on how it earn its nutrients. Organisms collect their nutrients in very different actions, so they have different roles in an ecosystem.
Explanation:
The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales—needs food to survive. Each food chain is a possible pathway that energy and nutrients can follow through the ecosystem.
For example, grass produces its own food from sunlight. A rabbit eats the grass. A fox eats the rabbit. When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass.
Of course, many different animals eat grass, and rabbits can eat other plants besides grass. Foxes, in turn, can eat many types of animals and plants. Each of these living things can be a part of multiple food chains. All of the interconnected and overlapping food chains in an ecosystem make up a food web.
The producer, the algae, is found at the base of the pyramid, and the black fly larva (an herbivore) is found above it. On the third trophic level, there are carnivores such as the trout, and the kingfisher is on the fourth level.
What is the ecological pyramid?The ecological pyramid is divided into several types, including the pyramid of numbers, the pyramid of energy, and the pyramid of biomass, and the characteristics of the pyramid vary by ecosystem. The pyramid consists of producers at the basal level, which is the algae, and they produce most of the energy in the ecosystem.
The energy and food are then transferred to the second trophic level, the herbivore level of black fly larvae. The third level is the carnivore level (primary carnivore), where the trout eats the herbivore (black fly larva), and the fourth level is the kingfisher, where it eats the primary carnivore, which is the trout, and this results in the pyramid starting with a broad base of producers and eventually narrowing towards the apex.
Hence, the pyramid begins with a producer (algea), then the herbivore, then the trout, and finally the kingfisher.
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Which will cool down faster overnight, the water in the pool of the air above the water pool?
Please help
Answer:
the air above the water would cool down faster
Radiometric dating allows us to determine...
a. Which rock layers are the oldest.
b. The relative ages of the layers of rocks and the fossils within
them.
c. The exact or absolute age of rock layers.
d. A and B are correct.
e. A and C are correct.
Answer:
a and c are the correct answer so option E. thank you .
PLEASE HELP ME, it's URGENT!! TO GET A BRAINLIEST FROM ME, PLEASE EXPLAIN WHY YOU CHOSE THAT OPTION
A protein being built from individual amino acids would be an example of
A. Anabolism
B. Catabolism
C. Cell Division
Answer: A
Explanation:
Anabolism is the synthesis of a complex molecules from simplier ones. An example of this is the production of proteins from indiviudal amino acids.
Catabolism is the breakdown of complex molecules into simplier units. An example of this would be breaking down a protein into its individual amino acids.
Answer:
The breaking down of starch into its component sugars would be an example of
✔ catabolism
.
A protein being built from individual amino acids would be an example of
✔ anabolism
.
A molecule of sugar being broken apart to release energy would be an example of
✔ catabolism
.
Explanation:
Pls, I have a test to finish what are the correct ones to answer for this?
Answer:maybe all of the above?
Explanation:
Which of the following statements about peer pressure is NOT accurate?
A. Peer pressure is influence from people within the same age group.
B.
Peer pressure can only be negative.
C.
Peer pressure can be active
D
Peer pressure can be passive.
Answer:
B. Peer pressure can only be negative.
Explanation:
Hi! The answer to your question is B because peer pressure is not only negative, it can result in some positive things! Please mark me as brainliest!
I hope that this helps and I hope you have a nice day!
Answer:
I think it's B
Explanation:
You can peer pressure your friend to ask out his crush which can lead to good things.
Compare photosynthesis and cellular respiration. In what types of cells do these processes occur?
Answer:
photosynthesis occur in the chloroplasts ,cellular respiration occurs in the mitochondria
How have some mountain plants adapted to their environment?
Explanation:
plants at higher elevations have stems or rhizomes which extend deeb beneath the soil. this allow them to store food so they can immediately grow in spring.
GIVING BRAINLIEST!!!
What is an example of a community protecting Earth's resources?
A) Cattle ranchers have cut down trees to create space for their cattle.
B) A town has started getting their vegetables transported from far away.
C) A mine has burned down a forest to create room for buildings.
D) A town has started a new recycling and composting program.
Answer:
D
Explanation:
it just makes sense to me
Answer:
A town has started a new recycling and compost program.
Explanation:
Protecting earths resources, would not be by cutting down trees, burning down a forest( trees), getting vegetables from far away pollutes the car with the way they transport; but recycling helps and protects our earth.
Two brown-eyed parents have produced three blue-eyed sons. What can be concluded about the parents?
Only the father carries an allele for blue eyes.
Only the mother carries a dominant allele for blue eyes.
The allele for blue eyes is on the father's Y chromosome.
They both carry a recessive allele for blue eyes.
Answer: C, I think
Explanation:
The wing of a bee and the wing of a bird are considered to be - A B s C D
A.) Vestigial structures
B.) Homologous structure
C.) Analogous structures
D.) Evolutionary structures
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Describe anaphase1 meiosis using the words “homologous chromosomes, centrioles, spindle fibers and sister chromatides.” And make it as short as possible
Whales, humans, lizards, and birds each have forelimbs that are adapted for different functions, including swimming, using tools, walking, and flying. While different in function, these forelimbs share a similar skeletal structure of the humerus, radius, and ulna. How does a comparison of the forelimbs of these organisms provide evidence for evolution?
A. These homologous structures indicate that these four organisms all share a common ancestor.
B. These analogous structures indicate that whales are descended from organisms that lived on land.
C. These analogous structures indicate that these four organisms all experienced convergent evolution.
D. These homologous structures indicate that humans, whales, and birds all evolved from a lineage of lizards.
Answer:
A. These homologous structures indicate that these four organisms all share a common ancestor.
Explanation:
Homologous structures mean the organs will have similar structure, but not necessarily function (human arm vs whale's flipper). While analogous structures are similar in function but not structure (wings of an airplane vs wings of a bird). Since the question states that they are similar in skeletal structure, we know they must be homologous structures, thereby eliminating B and C. D is not a choice because the question does not provide anything about the order of evolution. Therefore the answer is A. These homologous structures indicate that these four organisms all share a common ancestor.
GIVING BRAINLIEST!!!
A lake is home to a large number of trout. Identify what is most likely to happen if a chemical is dumped into the lake.
I. The trout will not be affected by the pollution.
II. The number of trout will increase.
III. The trout will suffer from disease.
A) I
B) I and II
C) III
D) II and III
Answer: C
Explanation: The process that occurred in the lake is natural selection. In the presence of an external environmental influence such as pollution, only the trouts that were fit to survive or in other words those that have the alleles that help in adapting to the new conditions live and increased in numbers. In such a case, one can say the fittest of the organisms survived and the corresponding allelic frequency in that population increased over time. The organisms carrying the other alleles died due to pollution and hence the overall frequency of alleles change.
A lake is home to a large number of trout the trout will suffer from disease is most likely to happen if a chemical is dumped into the lake. The correct option is C.
What is chemical pollution?Chemical pollution is the contamination of our environment with chemicals that are not naturally present.
According to scientific evidence, the trout in option will most likely suffer from disease.
Chemical pollution can harm aquatic life, including fish, by lowering oxygen levels, changing the pH balance of the water, and introducing toxins into their food chain.
Exposure to such chemicals can weaken the fish's immune system, making them more vulnerable to disease.
Option B and A is also less likely to be true because the introduction of chemicals into the water can disrupt the ecosystem's balance and affect the availability of food and oxygen, causing the trout population to decline.
Thus, the correct option is C.
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identify the part of clayoquot sound that contains the largest continuous transition area
Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
The*blank1*energy of the Sun is converted into*blank2*energy by the plants.
options for blank1= chemical, potential, radiant, sound
options for blank2=chemical, kinetic, mechanical, thermal
Answer:
Osmosis is the form of energy.
..
WILL GIVE BRAINLIEST (35 POINTS)
1-8 QUESTION
Answer:
Is this a scam to download this so you can be able to access my computer
Explanation:
causes of over fishing
Answer: The causes of overfishing can change the size of fish remaining. When too many fish are taken out of the ocean or lakes it creates an imbalance that can erode the food web and lead to a loss of other important marine life, including vulnerable species; like sea turtles corals and seaweed.
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In a certain length of DNA, the bases ACCGTA are found. What bases would be found on the opposite side of the DNA molecule?
Answer choices:
A) ACCGTA
B) GAATCG
C) TGGCAT
D) UGGCAU
Answer:
The answer is C
Explanation:
A turns into a T
T urns into a A
C turns into a G
G turns into a C
Gas exchange is a primary example of simple diffusion, the exchange of _________ & __________ fuels the cellular processes such as photosynthesis and cellular respiration.
gas exchange is a primary example of simple diffusion,the exchange of *oxygen* and *carbon dioxide* fuels the cellular processes such as photosynthesis and cellular respiration
Answer:
"Oxygen", and "Carbon dioxide"
Explanation:
Hope this helps
HELP I AM IN A TEST! I WILL MARK AS BRAINLIEST IF CORRECT!
Which of the following statements is true?
Fusion reactions split hydrogen nuclei apart.
Fission reactions release more energy than fusion reactions.
Nuclear power plants change electricity into nuclear energy.
U-235 is an isotope of uranium.
Answer:
Fission occurs when a neutron slams into a larger atom, forcing it to excite and spilt into two smaller atoms—also known as fission products. Additional neutrons are also released that can initiate a chain reaction.
When each atom splits, a tremendous amount of energy is released.
Uranium and plutonium are most commonly used for fission reactions in nuclear power reactors because they are easy to initiate and control.
The energy released by fission in these reactors heats water into steam. The steam is used to spin a turbine to produce carbon-free electricity.
Explanation:none
Answer:
Nuclear power plants change electricity into nuclear energy.
Explanation:
Which of the following is most likely to contribute to density-dependent regulation of populations? Group of answer choices Individuals voluntarily stop mating so that overcrowding does not occur. Density-independent factors lead to fewer births and increased mortality. The incoming energy decreases in populations experiencing a high rate of increase. Density-dependent factors lead to fewer births and increased mortality.
Answer:
Density-dependent factors lead to fewer births and increased mortality.
Explanation:
The carrying capacity can be defined as the maximum population size an environment can support. Density-dependent limiting factors produce a logistic growth pattern (S curve) in the population until it reaches its carrying capacity, thereby decreasing the birth rate and increasing the mortality rate in the population. Some important density-dependent limiting factors able to control the size of the population are competition (intraspecific competition), predation and diseases.
What two chromosomes do males have for gender?
A.Sperm cells do not contain sex chromosomes.
B.X and Y chromosomes
C.X chromosomes
D.Y chromosomes
Answer:
option b X and Y chromosomes is the answer for this question
Which two structures are part of the cortisol pathway?
Each gland consists of two parts: an inner medulla, which produces epinephrine and norepinephrine (adrenaline and noradrenaline), and an outer cortex, which produces steroid hormones.
The structures that are part of the cortisol pathway are the hypothalamus and liver.
Cortisol is a glucocorticoid in the brain with the function of operation of Gluconeogenesis and stress. The pathway of cortisol in the body is termed as cortisol pathway.
What structures are in the Cortisol pathway?The cortisol pathway is started with the release from the brain, targeting the hypothalamus. The release of epinephrine and nor-epinephrine is controlled with the cortisol release.
The release of the hormones targets the pituitary and adrenal gland and controls the release of stress hormones.
The gluconeogenesis process is controlled by the cortisol hormone. The process takes place in the liver.
Thus, the structures that are part of the cortisol pathway are the hypothalamus and liver.
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Answer:
A
Explanation:
Answer:
B
Explanation:
Which of the following is not an appropriate unit for momentum?
A. g • cm/min
B. g • m/S
C. km • m/S
D. kg • m/hr
Answer:
Option C us correct.
km • m/S
Explanation:
This is because momentum is result of mass and velocity of an object. Momentum is a vector quantity that is it has magnitude and it's direction is in form of three dimensional.
From the option C, kilometer there is not a unit for mass or velocity it it is a unit for distance, therefore it is incorrect.
Si la filosofia es un saber acerca de las cosas desde un punto de vista universal, entonces dificilmente sea ciencia
Explanation:
Esta afirmación es correcta, porque si bien la ciencia se deriva de la filosofía, la filosofía es la necesidad humana de obtener conocimientos y así desarrollar un pensamiento racional, crítico y diferente al sentido común, y por tanto se conceptualiza como algo más subjetivo, cultural y más amplio que la ciencia. , que se basa en hechos y estudios para respaldar un análisis. A través de la filosofía es posible desarrollar la ciencia, pero son cosas diferentes porque la ciencia está ligada al empirismo y la filosofía es más amplia y comprensiva.
Water travels down in a
waterfall at a rate of 15
feet per second.
I
Answer:
ok be more specific and I will answer it in the comments
I can't help only knowing that water goes at 15 ft per second
Explanation:
What are abiotic things made of if they are not made of cells?
Answer:
Light, minerals, and things from the periodic table!!
Explanation:
Where do turtles go to stay warm?
Given RRYY x Rryy, what will the parents be? (no links please)
I'm guessing the genotypes given (RRYY x Rryy) are the offspring (if this isn't the case this answer may be wrong)
RRYY has both dominant alleles. So we can safely say that the parents are both RRYY.
For Rryy :
Rr is heterozygous (the alleles are not the same), so the parents could be:
RR x rr
RR x Rr
Rr x Rr
(if you do a small punnet square, you can double check these!)
Since yy has both recessive alleles, the parent is yy as well.