The are responsible for the movement of much of the weather across the united states and canada.

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Isolated volcanic peaks on the ocean floor are