Which of the following examples best represents the mechanism of evolution known as genetic drift?

a. a farmer consistently chooses the tastiest watermelons to keep seeds from and plant for the next crop.

b. a volcano erupts and lava pours over a population of flowering plants eliminating a large portion of the flowers on the north side of the island while leaving the population of the south side of the island intact.

c. an individual goat migrates across a mountain range to a new population of goats where it breeds and produces offspring.

d. a mutation results in a population of trees that spread their seeds more widely than their peers, causing their population to grow.

What is the next step in the process after a substrate enters the active site of an enzyme

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10

One of the reasons that stars are so large is because