Answer:
A. The sum of all genetic traits in a population's individuals at a given time
Explanation:
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Prairie Grass is the organism that provides energy to all other organisms in the ecosystem.
I’m sorry, what’s the question?
Answer:
I believe that it is the brain stem
Explanation:
The brain stem, at the bottom of the brain, connects the cerebrum with the spinal cord. It includes the midbrain, the pons, and the medulla. It controls fundamental body functions such as breathing, eye movements, blood pressure, heartbeat, and swallowing.
