a sperm cell moves in flagella back and forth in order to move through its environment. Which statement describes how this eukaryotic cell transfers energy to flagella in order to allow it to move?

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

What was the land like over 500 million years ago? what was under the sea?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?