What is the driving force behind adaptative evolution? A. better regulation of body heat
B. more efficient digestion
C. increased reproductive success
D. increased size

What pattern of migration do whales follow?

Explain how organisms could be harmed by high levels of salt from roadways?

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae