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Why must there be more organisms at the bottom of the pyramid of numbers at the top?
There needs to be more organisms at the bottom of the pyramid of numbers because each trophic level requires energy from the level below it, resulting in a decrease in available energy as you move up the food chain. This means that more organisms are needed at lower levels to support the energy requirements of those at higher levels.
What do the arrows represent in an energy pyramid?
It represent the food pyramid and the bottom organism eats less as the top organism eats more.(basically everything on the bottom)
Why are only a few animals at the top of a energy pyramid?
Only a few animals are at the top of an energy pyramid because they are apex predators, which typically have fewer individuals in a food chain due to the decrease in available energy as it moves up the pyramid. The energy available at each level limits the number of individuals that can be supported as it is passed up the food chain.
What happens to the number of organisms as you move from the bottom of an energy pyramid to the top?
The number of organisms typically decreases as you move from the bottom to the top of an energy pyramid. This is because energy is lost at each trophic level through metabolic processes, so there is less energy available to support higher levels of consumers.
Does the organism at the top of energy pyramid have the most energy available to them?
No. Energy will always get lost on it's way up the food chain. This is why there is much more grass than there are Bison, and many more Bison than there are Lions. But the creature at the top probably has a richer source of energy available to them, it's much easier to get energy out of a cow's flesh than to get it out of grass because the cow has already done all the hard work of digesting the grass.
Why are there usually fewer organism in the top levels of an energy pyramid?
because it shows energy transfer and how there's more energy at the bottom of the pyramid with the producer and less and less energy as the consumers eat them because they burn out that energy
Why are the numbers of organisms smaller at high levels of an energy pyramid?
The energy pyramid shows how the amount of useful energy, food, decreases as organisms in that level use it. Even though a lot of energy may be taken in at any level, more energy in the form of food that is available to the next level, is stored on the bottom level and decreases at each level as you move to the top of the pyramid. Thus, there is much less energy to support organisms at the top, so there are fewer in most communities.
What statement describes a pyramid of energy?
A pyramid of energy represents the flow of energy through different trophic levels in an ecosystem. It demonstrates the decrease in available energy as it moves up the food chain due to energy loss through metabolism and heat transfer. The pyramid shape indicates that each higher trophic level has less energy available than the one below it.
Why are there more animals on the bottom of the energy pyramid then the top?
There are more animals on lower energy levels because only 10% of energy is passed on up to the next level, meaning there has to be more organisms on lower levels to sustain life on higher levels.
What is the bottom layer of a pyramid that represents ecosystem producers and its top layers represent consumers called?
The bottom layer of pyramid that represents ecosystem producers is the ecological pyramids. The top layers represent consumers. In the energy pyramid the bottom levels have more energy than the top levels.
The flow of energy in an ecosystem can be illustrated by a pyramid Why is less energy available at the top of the pyramid than at the bottom of the pyramid?
This is a confusing shape to use as an illustration. To the average person, the large base of the pyramid represents much energy stored compared to the diminishing storage space as you look higher and higher up the pyramid towards its peak. However, those that have studied the actual flow of pyramid energy have seen an upward movement of energy through the peak into the air above. So it's not necessarily true that more energy is flowing at or near the base than at the top. A mysterious flow of energy skyward which disrupts instrumentation on aircraft has caused the Egyptian authorities to forbid flying over the top of the pyramids at Gisa, for safety reasons.
Why are there usually few organisms at the energy pyramid?
In a stable ecoystem, there should always be more producers than carnivores. For one, there has to be more energy, because your energy flow has to reach the top of the pyramid through your primary, secondary, etc. consumers. There has to be more at the bottom because the organisms at the upper levels have to have a food source. How would the jungle look if there were 100 tigers and only 1 plant?
