Define : Human Beings

Why do bacteria thrive even in hostile environments

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.