What statement is best supported by the survivorship curves? A. American robins have a high survival rate for most of their lifespan and then decline rapidly in old age.

B. American robins have similar death rates throughout their lifespan, while the death rate of common green darners changes over their lifespan.

C. A very high proportion of common green darners reach adulthood and live to older ages.

D. Younger American robins have higher death rates than older American robins, while younger and older common green

Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43