Answer:
paleontology
Explanation:
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When the number of phytoplankton drastically decreased, this would affect the entire food web.
Phytoplankton are plankton consisting of microscopic plants. They are the autotrophic components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems.
Answer:
A) The sympathetic nervous system
Explanation:
Found in the spine, it's job is to activate the physiological changes for a "fight" or "flight" response.
Fish. The answer is fish!!! Brainliest answer right here.
