Explain why scientists believe that most animals would become extinct if all plants died.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below. resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

How do you date a sample of rock that you suspect as being one of the earliest on earth