Question
The first trophic level in a food chain must be a ____. Explain your answer.
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This is because producers, such as plants and algae, are organisms that can create their own food through the process of photosynthesis. Show more…
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$$\text { Explain how the terms in each set below are related.}$$ food chain, food web, trophic level
In a food chain, energy flows from (a) Higher trophic to lower trophic levels. (b) From consumer to producer. (c) From lower trophic to higher trophic levels. (d) From higher to lower trophic levels and vice versa.
Food chains never consist of more than 4 or 5 trophic levels. The reason for this is (A) energy is lost along the food chain (B) there are fewer primary consumers in the world than secondary consumers (C) producers are always shown on the bottom of any food chain (D) pioneer organisms compete with consumers (E) all of the above are correct
SAMPLE TEST
Biology E/M Sample Test 1
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