spawning. How does this relate to natural selection? Each individual organism that is born must survive. Every organism born will reach reproductive age. Fewer organisms are born than can survive. More organisms are born than can survive. Question 2(Multiple Choice Worth 3 points) (04.01 MC) In sea horses, the female inseminates the male by inserting her oviduct into the male brooding pouch several times to ensure fertilization. After fertilization is complete, the female departs and the male attaches himself to a nearby object, and waits for the eggs to mature. How would this reproductive strategy ensure survival of the species? By allowing for sexual selection of mating partners By ensuring fertilization of only high-quality males By protecting the fertilized eggs from predators By preventing multiple fertilization of the males by other females Question 3(Multiple Choice Worth 3 points) (04.01 MC) The shells of some marine snails are highly variable, with some snail shells being solid colors and others having stripes. Predation by birds is a major source of mortality for the snails. Scientists studying these snails found that while 47 percent of the snail population was striped, 56 percent of the snails eaten by birds were striped. What could scientists conclude about the snails? Birds preferred the solid snails. Birds preferred the striped snails. The shell pattern does not affect the rate of predation. The shell pattern is due to environmental variation. Question 4(Multiple Choice Worth 3 points) (04.03 LC) Some substances, such as mercury, tend to be found in increasing concentrations as one moves up the food chain. What is the term for this? Bioaccumulation Biomagnification Biotic-accumulation Biotic-magnification Question 5(Multiple Choice Worth 3 points) (04.03 MC) The blue lobster is a rare form that results from the overproduction of a certain protein, resulting in genetic variations in lobster coloring. What is the best explanation for how this rare variety arose? Exposure to copper sulfate Dyeing of the lobster by exposure to blue water Exposure to excess light Genetic mutation Question 6(Multiple Choice Worth 3 points) (04.03 HC) Synthetic compounds that mimic the biological function of the sex hormone estrogen have been found in the marine environment. How would this pollutant be classified, and why is this a public health concern? It is a pathogen. It might disrupt growth and development in marine organisms. It is an environmental pollutant. It might disrupt sexual reproduction in marine organisms. It is a genetic factor. It might be toxic to marine organisms and lead to death, changing the population structure. It is both a pathogen and an environmental pollutant. It might lead to food shortages.