dani19cano
03.07.2019 •
Biology
Explain how energy flow is represented in food chains, food webs and pyramids. explain how changing a factor in an ecosystem (especially involving a keystone species) can impact this flow of energy and the ecosystem as a whole: provide an example of this in your answer. vocabulary words that must be used in the explanation: heterotroph, autotroph, producer, food chain, consumer, energy pyramid, trophic level, food web, keystone species.
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Ответ:
Ответ:
3
Explanation: 2+1=3
When we plus 1 in 2 then the sum of 1 and 2 is 3. The answer is 3.