Marine Biology Final Exam Study Guide Questions With Complete Solutions coral - Correct Answers ✅marine colonial polyp characterized by a calcareous skeleton (sea anenome) -made up of polyps calcium carbonate - Correct Answers ✅Produced by organisms that secrete it makes rigid surface -(CaCO3) Coral bodies - Correct Answers ✅-tentacles armed with nematocysts -corallite ("cups that contain the polyps) Coral feeding - Correct Answers ✅zooplankton and dissolved organic matter (DOM) zooxhanthellae - Correct Answers ✅dinoflagellate -live inside polyp mutual relationship -photosythentic, provides glucose oxygen and color cynobacteria - Correct Answers ✅fix nitrogen for zooxanthellae 1 / 4
Marine Biology Final Exam Study Guide Questions With Complete Solutions asexual reproduction in corals - Correct Answers ✅budding sexual reproduction in corals - Correct Answers ✅spawning competition defense - Correct Answers ✅corals compete for space and light -overgrow -evaserate mesenterial filaments and digest neighbors -sting reef - Correct Answers ✅a submerged ridge of rock or coral near the surface of the water algal ridge - Correct Answers ✅A ridge of coralline algae that is found on the outer edge of some coral reefs.-absorbs force of the waves and prevents erosions sedimentation - Correct Answers ✅layer of a rock building up over billions of years cementation - Correct Answers ✅The process by which dissolved minerals crystalize and glue particles of sediment together into one mass. 2 / 4
Marine Biology Final Exam Study Guide Questions With Complete Solutions nitrogen fixation - Correct Answers ✅process in which bacteria convert nitrogen gas into nitrogen compounds plants can use to make proteins Coral body layers - Correct Answers ✅-epidermis -mesoglea -endodermis Coral bleaching - Correct Answers ✅Zooxanthellae becomes stressed when water temperature is troo high and are expelled from coral tissue. Coral dies due to lack of oxygen and food, and turns white.-Water temperatures go up because of El Nino and global warming Predators to coral - Correct Answers ✅Parrotfish, crown of thorns sea star El Nino - Correct Answers ✅Current and wind patterns throw things off course -heat in ocean -every seven years 3 / 4
Marine Biology Final Exam Study Guide Questions With Complete Solutions eutophication - Correct Answers ✅the buildup over time of nutrients in freshwater that leads to an increase in growth of algae Atoll - Correct Answers ✅-ring shaped reef -form above undersea voncanic mountains that have collapsed -susceptible to wave action -susceptible to predidation -not as susceptible to human damage
-Example: indio-west pacific
Reef adaptations (color) - Correct Answers ✅bright to blend in with the reefs, safe passage or possible toxicity
example: yellow tang
Reef adaptations (size) - Correct Answers ✅small and able to fit into crevices
example: damsel
Reef adaptations (feeding) - Correct Answers ✅filter, suspension and deposit -tube like mouths -radula
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