As different organisms evolved from a common ancestor, some of their body structures retained similarities even if their functions deviated. these structures are known as homologous structures.

which of the following pairs of structures are an example of homologous structures?

a.) mice whiskers and horse manes
b.) tortoise shells and rhinoceros horns
c.) insect exoskeletons and mammalian vertebra
d.) bat wings and human arms

One group of reptiles, characterized by the fossil ark metal x

Which of the following is a common danger of commercial fishing?

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