What term is used to describe the process of cancer cells spreading from one location to other sites in the body?

What did the first language sound like

Why is it important to study each branch of earth science?

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present