What are two characteristics that a earthworm and an elephant have in common? (your answer should be scientific, not something like "earthworm and elephant both start with the letter e.")

why do those two organisms share those characteristics?

50 points

Match the types of competition to their descriptions

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area