Pre-copulatory behavior of whales involves pec-whetting, beak-to-genital touching, and violent head butting. a) true b) false

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.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment