Answer:
Gills
Explanation:
Sharks are fishes and thus have gills through which they absorb oxygen from the water.
On the other hand, Whales being mammals use lungs to breathe. They can’t directly obtain oxygen from water.
One: The cell is able to move material in and out of the cell
Two: It helps the cell maintain necessary conditions for life
<span>The only traits that can be acted upon by natural selection are those that are controlled by ___________________</span>
