Desribe an enviornmental factor that could influence natrual selection and because genetic diversity.

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

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.