What do you call the living part of an environment?
a. abiotic
b. ecosystem
c. population
d. biotic

What claim did thorne make? what evidence supported his claim?

What is the next step in the process after a substrate enters the active site of an enzyme

As a result of climate change earths temperature is rising and sea ice is melting what is a likely effect? answer : populations of walruses and polar bears will decline