I’m pretty sure the answer is C
Answer:
Means to increase drag and prevent sinking is the correct answer.
Explanation:
Plankton avoid sinking by increasing their surface area and decreasing their density. Spines slow down sinking by adding surface area without increasing density. Defense against predation would be to sing below. Not the opposite.
It can either be mass or quantity
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a. large numbers of mitochondria. Because mitochondria is the powerhouse of the cell, responsible in converting food to energy that the body needs.</span>
