Birds and reptiles are both vertebrates that lay eggs but birds have beaks and reptiles have teeth. occasionally birds have teeth but only in the embryonic stage. which conclusion is best supported by the presence of teeth in bird embryos?
a. ancestors of reptiles had beaks similar to those of birds.
b. birds and reptiles eat similar types of food.
c. birds and reptiles share a common ancestor.
d. modern reptiles are the ancestors of modern birds.

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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