Photosynthesis and cellular respiration are often described in two ways: (1) they are chemically opposite; and 2) they have a relationship to each other. Explain what these two statements mean. Be sure to include the specific substances used and released by each process.

How does natural selection change thephenotypes within a population over time?

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.