What effect do keystone species have on an ecosystem

For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.