What is the purpose of this weeks lab?
a. to investigate the human effects on the carbon cycle
b. to investigate the human effects on the atmosphere
c. to investigate the human effects on the nutrient cycles
d. to investigate the human effects on the ozone layer?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

Each nephron is made up of capillaries that form the __ sweat glands bladder glomerulus ureter