A change most likeiy to result in two distinct phenotypes (and possibly, speciation).

a
stabilizing selection
b
directional selection
c
disruptive selection
d
acquired variation

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Which layer of the eye completely surrounds the eye except for a dark, round opening called the pupil? a. sclerab. corneac. retinad. choroidthe answer is a sclera