The sequence of species in which they disappear, in order from least to most severe would be: B. Threatened-Endangered-Extinct.
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The answer is A, because the phytoplankton is the foundation of this food web. Without your foundation, "the building will begin to crumble".
Answer: Photosynthesis and cellular respiration are complementary biochemical reactions.
Explanation:
Photosynthesis requires the products of respiration , while respiration requires the products of photosynthesis.
