Tobject]user: a complex of interconnected food chains in an ecosystem is called a/an
a. ecological pyramid.
b. food web.
c. trophic stack.
d. ecosystem. user: which of the following factors will have a greater impact on a population as the density of that population increases?
a. natural disaster
b. climate
c. predation
d. weather

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?