BIOLOGY HIGH SCHOOL

Explain why an ecological pyramid is smaller at the top than at the bottom

Answers

Answer 1
Answer:

Because energy is wasted as heat, there is less energy available as food for organisms at each level above so ecological pyramid is smaller at the top than the bottom.

What is Ecological pyramid?

  • .An ecological pyramid is a graphical representation of the relationship between diverse living organisms at various trophic levels.
  • These pyramids have the shape of true pyramids, with the widest base and the lowest trophic level, i.e., producers, covering it.
  • The following trophic level, i.e. main consumers and so on, is occupied by the next trophic level.
  • The uppermost level of an energy pyramid has the fewest animals since it has the least amount of energy.
  • Most ecosystems only have four trophic levels since there isn't enough energy to support another at a certain point.
  • The energy produced by the plants is distributed to the a pex predator in the amount of 0.01 percent.
  • As a result, it makes logical that the pyramid's tiers grow smaller and smaller as you progress up the pyramid.

To know more about Ecological pyramid here

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Answer 2
Answer: The ecological pyramid is a diagram that shows the very much like amounts of energy or matter contained within each level. That's why it is shaped smaller at the top than at the bottom because the bigger it is the more the organisms are there are. So the bottom has more living organisms and the top has less. Hope this made sense and helped

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Seeds that have been alternated in a laboratory setting and are no longer the original seed are known as ______.GMO seeds (genetically modified organisms)
FDA seeds (Food and Drug Administration)
WHO seeds (World Health Organization)
all of the above

Answers

The answer is GMO seeds (genetically modified organisms).

GMO stands for genetically modified organisms. These organisms are alternated in laboratory settings and differ from the original organisms. They are the result of a process in which genes from one species are forced into genes of other species. This can be extrapolated to seeds. If seeds have been alternated in a laboratory setting and are no longer the original seed, they are genetically modified seeds.

the data collected over the years clearly confirm depletion of ozone in the stratosphere. what do scientists still need to learn about the ozone hole?

Answers

Answer:

Ozone is the layer (blanket) on the atmosphere that protects lives on earth, from the harmful incoming ultraviolet solar radiation. This are UV rays can damage the skins of humans. It is denoted by O₃ and is located at the stratosphere.

This ozone layer has been significantly affected due to the emission of green house gases. The use of chlorofluorocarbon (CFC), methane gas (CH₄) as well as emission of carbon and sulfur has depleted the ozone layer.

Scientists have studied and examined why this depletion is going on and have suggested many steps to avoid ozone depletion and are still trying to find out the best solution to stop this ozone depletion. The use of products that contains CFC and releases methane gas must be avoided.

The ozone depletion is observed to be maximum in Antarctica because the environment there is suitable for the events that leads top the depletion of the ozone layer.

Ozone is simply a molecule consisting of 3 oxygen atoms, which reacts strongly with other molecules. Ozone is created in the stratosphere when high energy uv radiation causes on O2 molecule to split. The free oxygen atoms collide and react with other O2 molecules to form O3.

Production is highest where the solar uv is the greatest eg near the tropics, but once created, the ozone is then circulated towards the poles by the atmosphere. The amount of ozone in the stratosphere can vary with location, season and even day to day climatic conditions.

The process of ozone creation is what makes the O3 in the atmosphere very effective at shielding the Earth from harmful uv radiation, which can cause many biological problems, such as skin cancer. However, due to its high reactivity, the uv found in the tropospher at ground level can aslo be dangerous as a toxic pollutant which is harmful to plants and lung tissue, and is a major cause of smog.

Leone Lattes found a way of using a comparison microscope to improve this technique to better match bullets. a. True
b. False

Answers

i think the answer is true

What does Endow mean

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give or bequeath an income or property to (a person or institution).

provide with a quality, ability, or asset.

"he was endowed with tremendous physical strength"

An example of ____ is when birds feed on parasitic insects they pick off the skin of large animals such as elephants or bison.A. competition
B. predation
C. mutual ism
D. parasitism

Answers

C.mutualism, hope i helped
I believe the right answer is c. Mutualism.

Lack of ______ has been linked to increased risk for autoimmune diseases. zinc iron vitamin C vitamin D

Answers

Lack of vitamin D has been linked to increased risk for autoimmune diseases.
Hope that helped you.
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