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(04.01 MC) A species of marine snails have either solid or striped shells. Scientists found that 37 percent of the snail population was striped, and 63 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)

(04.04 MC) Juvenile Red Snapper are found close to shore, while adults live in deeper water. An oil rig started seeping oil near the shoreline. What do you predict would be the biggest impact on Red Snapper due to the oil leakage? (3 points)

(04.05 LC) What is natural selection? (3 points)

(04.06 LC) What animals would you likely find in this habitat? (3 points) © 2016 CC-BY-SA

(04.03 MC) What kind of seafood would you expect to have the highest levels of mercury and why? (3 points)

(05.04 LC) What empirical evidence could most effectively and directly be used to convince law makers to remove a dam that is blocking a river used by wild salmon to reach their breeding grounds? (3 points)

(04.05 LC) A theory is constantly subject to testing, modification, and may even be refuted as new evidence and ideas emerge. Which of the following is a popular theory that is studied extensively in marine science? (3 points)

(04.01 MC) Which of the following occurs most often in a population when genetic variation and overproduction are present? (3 points)

(04.05 LC) Scientists use whale flukes, like the one shown, to identify individuals in a population. Which of the following characteristics of a whale fluke is a genetic variation passed on by their parents? (3 points) © 2016 CC-BY-SA

(05.03 MC) What impact would the destruction of a seagrass habitat have on the ecosystem and why? (3 points)