(04.01 MC) A species of marine snails have either solid or s…

(04.01 MC) A species of marine snails have either solid or striped shells. Scientists found that 57 percent of the snail population was striped, and 33 percent was solid. Sea birds are the main predator and when scientists studied their diet, they found that the birds ate more striped snails than solid snails. What could scientists conclude about the snails? (3 points)

(04.05 MC) The fur coat of California sea lions can be diffe…

(04.05 MC) The fur coat of California sea lions can be different shades of brown due to genetic variation. Suppose that the frequency of each fur color changed in a population as shown on the graph below. How do you expect the population trends to change after 2009 if changes in the aquatic environment make dark brown sea lions more reproductively successful than sea lions with light brown coats? (3 points)

(04.05 MC) In the Galapagos islands, the weather causes a va…

(04.05 MC) In the Galapagos islands, the weather causes a variation in algae growth year to year. Marine iguanas eat the algae, and during the years with more algae growth, the marine iguanas lay more eggs. What is the benefit of this overproduction of eggs? (3 points)

(04.03 HC) A doctoral student is studying the genetic makeup…

(04.03 HC) A doctoral student is studying the genetic makeup of a species of jellyfish that occurs at low, middle, and high latitude regions of the Pacific Ocean. On an oceanographic expedition, she collects specimens of the jellyfish throughout its range. Upon returning to the laboratory at the university, an assistant places all of the jellyfish in an aquarium with an average temperature of approximately 20°C. After a few days, he notes that almost two-thirds of the jellyfish have died. Using the figure below, how would you explain which jellyfish likely make up the bulk of the survivors and what the mistake was? (3 points) © 2016 CC-BY-SA