Which substances would complete the equation that models the overall process of cellular respiration?

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 .

What is the one part of the nucleotide  that differs among the other different nucle  tides?

What could happen if two base pairs on a strand of dna or switched