What are trophic levels? Why is it better to eat organisms lower on the tropic pyramid? What will be an ideal response?
ANS:Answer
should include:
? Trophic levels are the feeding hierarchy of organisms. There is a transfer of energy and
nutrients in each level. Primary producers are the lowest level on the pyramid. They are
the basis of life on earth. They are able to convert light energy into a chemical energy.
? Primary consumers eat the autotrophs, the primary producers. These are also labeled as
herbivores. Each consumer level after this layer eats other consumers. Secondary
consumers eat the herbivores while top consumers are predators, carnivores.
? Each trophic level is only able to acquire 10% of the energy in the trophic level below it.
The energy can be lost through respiration and excretion.
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