You have discovered a new bird. Molecular analysis reveals that breast feather color is controlled by a single gene with two alleles that segregate during meiosis. Breeding experiments, however, reveal a range of phenotypes resulting from each of the three genotypes that can occur. You are confused by this result until you remember that the relationship between genotype and phenotype can be complicated by the influence of the

a. parents.

b. epistasis.

c. environment.

d. additive genetic variation.

e. None of the above

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Which of the following represents the correct format for the scientific name? a. staphylococcus aureusb. staphylococcus aureusc. staphylococcus aureusd. staphylococcus aureus

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote