DNA is the genetic material that controls cell activities<span>. </span>In eukaryotic cells<span>, the membrane that surrounds the </span>nucleus<span> which is commonly called the nuclear membrane , partitions this DNA from the </span>cell's<span> protein synthesis machinery, which is located </span>in<span> the cytoplasm.</span>
When a Stickleback fish feels threatened, it will flare out its pair of pelvic spines and three dorsal spines, making it difficult for predators to swallow them.
The correct answer would be D, gravity. As moving water will cause rocks to erode as well as wind, and animal habitation.
