Orange roughy fish are a fourth-level consumer. we may see fifth- or sixth-level consumers, but not as many as at lower levels on a trophic pyramid. why are the upper levels of a tropic pyramid limited?

An example of what is geese flying south for the

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

Does any one know what blood tastes like