The word biosphere is made up of two word parts: bio- and sphere. how can
these two word parts you to remember the definition of biosphere?

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?

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.