If the diameter of a microscope's field is 0.12mm, how wide is an object that fills one-quarter of the field?

What re the two main phrases of the cell cycle.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

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 .