Compare the limbs of different organisms goes in left box. compares fossilized structures to living organisms left box.
other 2 go in the right box hope this helped(:
Answer: I'd say C
Explanation: Small plants are at the bottom of the ecosystem, which means they have to start it out. I'm not sure tho.
True. It also states that they cannot compete for the same resources.<span />
Hermit crabs and giant tritons have a commensalism type of relationship.