Answer:
A. Skin color, a polygenetic trait, is also determined by environmental factors.
Explanation:
When you are a lifegaurd you are outside much more which means you are very likely to get a tan; Therefore changing the pigment of Pat's skin.
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They are prokaryotic cells....
It would be “c” ; nitrogen fixation
Answer:
The whelk population would likely increase since there would be more mussels and limpets available due to the decrease in crabs.
Explanation: