Which tongue muscles function to pull the tongue forward, backward, upward, and downward?

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

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 .

Explain the difference between mutations in sex cell and those in somatic cells