Darwin explained that evolution occurred by a mechanism called natural selection. the environment determines the fitness of an organism which depends on adaptations that the organism survive and reproduce.

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Cells destroy body cells infected by a virus or bacteria.