Why is there a limit on the number of trophic levels that can exist within an ecosystem?

Answers

Answer 1
A large amount of energy is lost at each level, so there has to be a limit on the number of trophic levels.

Related Questions

in eukaryotic cells, which organelle produces the majority of the atp for the cell?

Answers

Answer:

mitochondrion

Explanation:

Mitosis begins with a single parent cell and results in the formation of two unique (different) daughter cells, each with half of the
chromosomes from the parent cell.

True
False

Answers

True. Because of the amount of DNA given to the identify of that certain child. But you ate referring to daugther(s), so yes, its true

jenn is studying a population of fish found in a pound

Answers

Answer:

yes

Explanation:

how do you get fish to put in the pound and what is she studying them for?

A person has parents with high cholesterol. How will this impact the person's risk of developing a blood disease?

A. The person will have a higher risk for atherosclerosis regardless of his current or past lifestyle choices

B. The person will not have a higher risk for atherosclerosis if he has a healthy diet and exercises often

C. The person will have a higher risk for chronically low blood pressure regardless of his current or past lifestyle choices

D. The person will not have a higher risk for chronically low blood pressure if he has a healthy diet and exercises often

Answers

As per the observation, the correct answer is C. The person will have a higher risk for chronically low blood pressure regardless of his current or past lifestyle choices as it will impact the person's risk of developing a blood disease.

Even in case your LDL cholesterol and blood stress ranges are best mildly elevated, while they're each found in your frame, they could have interaction with every different to extra fast harm your blood vessels and your coronary heart.

What is the relationship between blood level and cholesterol?

The hyperlink among excessive blood stress and excessive LDL cholesterol is going in each direction. When the frame cannot clean LDL cholesterol from the bloodstream, that extra LDL cholesterol can deposit alongside artery walls. When arteries emerge as stiff and slender from deposits, the coronary heart has to paintings extra time to pump blood via them.

Thus it is clear that cholesterol can affect the blood level that it can cause blood level.

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Answer:

A

Explanation:

2. How did dark matter affect the development of structures in the early universe?(1 point)
It cooled pockets of gas to form nebulae.
It became part of black holes.
It seeded the development of quasars.
It seeded the development of galaxies.

Answers

Answer:it seeded the development of galaxies

Explanation:

Dark matter affected the development of structures in the early universe as it seeded the development of galaxies.

Dark matter is simply refered to as a glue that bounds the Universe together. they are also dark matter halos are now stated to be the sites where galaxies were born.

The universe as a whole ks made up of helium and hydrogen, dark matter was very essential in giving of the gravitational force needed in the gathering of elements together to form stars.

Conclusively we can therefore say that Dark matter is the sit that holds the existence of galaxies.

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Can anybody help me doing this??
lesson: Science
grade: 5 ​

Answers

Answer:

Im going to be moving from the top right to the left in a circle. So right to left here

The Sun is top rightSquiggle Arrows going up is evaporation And the evaporation makes the cloudThe second cloud is rainThe third cloud is snowAnd both of the clouds are condensation so I guess maybe put it on the arrowsLabel the mountain right underneath the snowThe water going down the mountain at the top is run offThe water towards the bottom of the mountain that has the arrows is riverThe squiggly lines going down is underground waterAnd the huge body of water is sea

Explanation:

uhm, its the water cycle so

Which of the following is false of the integumentary system?

A. The inner layer of the epidermis divides quickly
B. The body produces more melanin with stronger sunlight exposure
C. Too much UV radiation can mutate DNA in skin cells and cause cancer
D. Keratin is the pigment responsible for skin color

Answers

Answer:

Hey there the answer would be D. Keratin is the pigment responsable for skin color.

Explanation:

A. The top layer of the epidermus is made of dead skin cells. The inner player has to be constatnly making more cells

B.The body procudes more melanin with stronger sunlight exposure. This results because the UV of the sun causes T-T dimers which is a type of DNA damage.

C. UV causes genetic mutation which can result in cancer if not fixed by the cell

D.Keratin is found in the epidermis and with thick layer of skin found in the hands and feet. Melainin is responsible for skin color.

thực hiện chức năng bài tiết là:
a.ribôxôm
b.ti thể
c.trung thể
d.bộ máy gôngi

Answers

C thì phải t ko nhớ lắm

what percentage of genetic information is passed on from parents to their offspring

Answers

Answer:

50% from each parent

Explanation:

The percentage of genetic information passed on from parents to their offspring is 50% from each parent, for a total of 100%.

What is the percentage of genetic information?

Approximately 50% of genetic information is passed on from each biological parent to their offspring. This occurs through the combination of genetic material during fertilization, where half of the offspring's genetic material comes from the mother and the other half from the father.

However, the exact percentage of genetic information passed on can vary due to factors such as genetic mutations and recombination during meiosis.

This occurs through the process of sexual reproduction, where each parent contributes one gamete (sperm or egg) containing half of their genetic information.

When the sperm and egg combine during fertilization, they form a zygote with a complete set of genetic information (100%), half from each parent.

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You are looking at a star through a telescope in January. There is a small shift in the star’s apparent position compared to when you looked at the same star through a telescope in July. What can you conclude about the distance of the star from Earth?

Answers

Answer:

the earth moved its position around the sun

Si una mujer tuviera una masa de 60 kg, ¿cuál sería su masa en la Luna? (la gravedad de la Luna es de 1,67 m / s2)

Answers

Answer: d

Explanation: just did it on edg

Based on the test results, are the worm neurons alive?

Answers

Answer:

Yes

Explanation:

In the inner-world perspective of the simulation, the worm is absolutely alive as it is obeying the laws of physics as presented by the simulation.

I HOPE THIS HELPS!!!!!

Since it is adhering to the simulation's depiction of the rules of physics, the worm neurons appear to be completely alive from the simulation's inner-world perspective.

What is the worm?

The worm is a frequently utilised organism in neuroscience research, because of the limited amount of neurons it contains For instance, the hermaphrodite form of the worm contains 302 neurons in its nervous system, as opposed to the 86 billion neurons found in humans.

Every animal requires a brain to survive, and worms are no different. Their brains control movement, sensory perception, and any other physical processes essential to their existence. A worm cannot, however, use its brain for thought.

Therefore, The worm neurons appear to be fully alive from the simulation's inner-world perspective because it is obeying the simulation's representation of the laws of physics.

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What determines the shape of a protein? How is a protein's
shape related to its function?

Answers

Answer:

the folding and intramolecular bonding of the linear amino acid chain, which ultimately determines the protein's unique three-dimensional shape. ... Folded proteins are stabilized by thousands of noncovalent bonds between amino acids.

Somebody help me please

Answers

Answer:

stage clips - b is the correct option.

revolving nosepiece - c is the correct option.

diaphragm - a is the correct option.

viruses are not considered living organisms because they are not composed of:

Answers

Answer:

Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things

Explanation:

Answer:Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.

in which direction does dna replication take place?

Answers

Answer: 5' to 3' direction

Explanation: New DNA is made by enzymes called DNA polymerases, which require a template and a primer (starter) and synthesize DNA in the 5' to 3' direction. During DNA replication, one new strand (the leading strand) is made as a continuous piece.

drag each micrograph to the target that indicates the stage of mitosis or cytokinesis it shows.

Answers

Mitosis occurs after the interphase and involves four stages. After mitosis event occurs cytokinesis. The correct order is 1A, 2F, 3E, 4B, 5C, 6D.

------------------------------------------

Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.  

First occurs duplication of the cell content, and then the separation into two new cells happens.

Mitosis occurs in only one phase.

• In the prophase, it occurs chromosomes condensation and nuclear membrane breaks.

• During the metaphase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes line up.

Each chromatid joins with a microtubule of opposites poles.

• In Anaphase, bonds between chromatids break. They separate and migrate to the opposite poles.

• In telophase, duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.  

• Finally, cytokinesis occurs. Through invagination of the cell membrane, the cells and their cytoplasmatic content get separated.  

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Help please
Please help

Answers

Answer:

The answer is protein

Explanation:

trust me , hope this helps you!, add me as brainlist

Academic Unit 3 test
When the concentration of molecules on both sides of a membrane is the SAME, the solution
O hypotonic solution
O cytotonic solution
O isotonic solution
hypertonic solution

Answers

Answer:  Isotonic Solution

Explanation:

The prefix iso- means same or equal.

When the concentration of molecules is equal on both sides of the membrane then is an ISOTONIC solution.

Studying Science tends to follow the scientific
method:
1. Make an
2. Ask a testable
3. Construct a plausible
how
4. Make a
you think the results will go
5. Conduct an
6. Record accurate & valid
Word bank: prediction, results, question,
hypothesis, experiment, observation

Answers

1.observation
2. Question
3.hypotheses
4.prediction
5.experiment
6.results

Which of the following contain(s) oxygenated blood?
*its Arterioles edgBz21 pls pst

Answers

Answer:

c. Arterioles is correct

Explanation:

Y ir instrumentos de laboratorio usaron luis y Juan?

Luis y Juan querían hacer una investigación sobre la rapidez de disolución de una pastilla efervescente en el ácido acético a temperatura caliente. Para esto, tenían que triturar la pastilla y luego utilizar solamente 15 gramos de la sustancia. Tenían que medir 50 ml de ácido acético y colocar el mismo en un recipiente donde se pueda calentar sustancias, pero que el vapor generado se libere rápido. Al agregar ambas sustancias al recipiente de vidrio, lo comenzaron a calentar. Una vez se iba calentando, agitaron las sustancias poco a poco y con mucho cuidado, tomaron los cambios en temperatura de cada 2 minutos. Al finalizar el experimento, ellos compartieron sus resultados con sus compañeros de clase.

Answers

Answer: d

Explanation: just did it on edg

what happens to solid waste in the circulatory system

Answers

Answer:

It takes it to other body parts and they remove them from the body.

The stages of growth that take place after a forest fire are known as ______.

Answers

Answer: secondary succession

Explanation:

the protein that permits stretching and recoiling of the skin is:

Answers

Answer:

Elastin  

Explanation:

Hope this helps :)

what do the three major checkpoints for cell division have in common?

Answers

Answer:

There are three major checkpoints in the cell cycle: one near the end of G1, a second at the G2/M transition, and the third during metaphase. Positive regulator molecules allow the cell cycle to advance to the next stage. ... Each successive cell division will give rise to daughter cells with even more accumulated damage.

Explanation:

“How is it possible that siblings with the same parents can have such different traits, such as skin tone?”

Answers

Hi there!

Answer: Each parent actually has two different sets of genes. Each parent only gives half of the genes to there child and the other half gets passed down randomly. So every child is born unique in there own way.

different photosynthetic pigments from a plant pigment extract can be separated by

Answers

The different photosynthetic plant pigments can be separated by PAPER CHROMATOGRAPHY. It is a methodology used to separate different chemical compounds based on their differential solubility.

This method (paper chromatography) uses paper sheets in order to separate mixtures of soluble substances such as, for example, plant pigments.

These paper sheets represent the 'stationary phase' through which a solution is made to pass.

Subsequently, during the mobile phase, the solvent moves through the paper sheet and thus carries (separates) different compounds with it.

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Which of the following would cause a cell to fill with water?

Answers

Answer:

Typically, a cell would fill with water is the concentration of water is greater outside the cell. Their main priority is to maintain a constant state of homeostasis, and so they would balance the pressure both inside and outside of their cell membrane.

Explanation:

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found in airsacs/alveoli in the lungs capilliaries? ​

Answers

Answer:During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli

Explanation: carbon dioxide

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