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ZanzabumX [31]
3 years ago
11

PLEASE HELP!! 20 Points

Biology
2 answers:
ivolga24 [154]3 years ago
7 0
<h2><u>Answer:</u></h2>

The correct answer is C (The trait for shell thickening will not be selected by future mussel generations)

<h3><u>Explanation:</u></h3>

The difference in thickness of shells is an advancement to adjust from the crabs and survive.  Further clarification can be perused on the exploration directed by  Aaren Freeman and James Byers.

It was found out that crabs discharge synthetic substances that are distinguished by mussels. Thus, mussels have a physical response activated by the synthetic substances which lead to the thickening of their shells.

fgiga [73]3 years ago
3 0
The third answer, few mussels developed a thicker shell to protect themselves from crabs found in the region. The change of thickness of shells is an evolution to adapt from the crabs and survive.  Further explanation can be read on the research conducted by  Aaren Freeman and James Byers. It was learned that crabs release chemicals that are detected by mussels. In turn, mussels have a physical reaction triggered by the chemicals which lead to the thickening of their shells. 
Read more on Brainly.com - brainly.com/question/6778520#readmore
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