Imagine that you are a marine biologist and you notice that a certain type of crab tends to be considerably smaller in a local bay than the same type of crab is in the water outside the bay. What hypothesis might account for this difference? How would you go about testing this hypothesis?

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria