An amoeba consists of a single cell and has a nucleus. what is an amoeba called? a. organelle b. muliticellar c. eukaryote d. prokaryote

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.