K and N increase, which reduces r. B
r and K increase, which causes a reduction in N.
C)
K increases, which allows r and N to increase as well.
D
N increases, despite a reduction in K and an increase in r.

Sarah and john are having a discussion on genetic diversity sarah believes it happens over a long period of time john believes it happens immediately who is correct

Reproduction of plants differs from reproduction of animals in that

Paleontologists have found plant fossils deep within the layers of the north polar region. these leaf fossils have been labeled as to the rock layers they were found in, with the lower numbers being layers close to the earth's surface and higher numbers representing deeper layers. according to the numbers of these four leaf fossils, what might you infer?