Many whales have tiny, unused hip and pelvis bones on their torsos. How does this evidence support theories about animal evolution

Environmental impacts on evolution : mastery test

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.