Who developed the germ theory for disease?

This rapid change in species that rarely leaves behind fossil evidence is referred to as

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

Define adaptation. why do organisms adapt? give an example.