Which of the following is NOT part of the nitrogen cycle? A. Conversion of atmospheric nitrogen into usable organic compounds by bacteria. B.
The process of eroding rocks into sediments.

C.
Conversion of nitrogen from decaying organisms into ammonia.

D.
Conversion of soil nitrates into atmospheric nitrogen.

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .