The answer would be an Ecologist
Answer:
Hello There!!
Explanation:
I believe the answer is A. To meet needs through collective effort.
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~Pinky~
Answer: Austyn's heart rate is up quite a bit compared to Shanice which means either he was working out harder or since he's a male he has a larger heart which need more blood through the body. The heart rate is affected by how hard you work out? The size and possibly the condition of your heart?
Explanation:
The correct answer is D. The theory of natural selection provided a better explanation of the processes that were being observed by the scientists.They observed that the related species birds found on one island were slightly different from that of the other, and certain portions earth, have the species, which were not found anywhere else.
Answer: Substrates im pretty sure
Explanation: mark brainliest pls