A meteor crashed into earth carrying a strange alien gass. The gas wasn't poisonous, but it did remove all the cholorplasts from EVERY plant cell on earth. (How would earth be different?)

(How would this change life for humans?)

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

Which nucleotide component contains nitrogen

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 .