Which characteristic would exclude an animal from being an amphibian? they have lungs. they have a cartilaginous skeleton. they are ectothermic. they have a three-chambered heart. they have vertebrae?

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.

What are the basics of the induced fit model of enzyme action?

If we assume that, in the african savanna, rainfall and the amount of grass is plentiful, what other factor would best explain a reduced antelope population?