Aice Marine Exam Review with Questions and Answers

Aice Marine Exam Review with Questions and Answers What grows in a Hydrothermal Vent? ANSWER First organisms: bacteria, which are followed by mollusks, crabs, and fish First animal species: Tevnia, which is then replaced by the Riftia -Riftia (tube worm) forms symbiotic relationships with chemosynthetic bacteria Unstable environment = low biodiveristy ANSWER Example: sand--- it easily dries out and is easily eroded by wind and water currents Example: hydrothermal vents--- few organisms can survive the very high pressure and high temperatures Stable environment = high biodiversity ANSWER Example: Coral Reefs Niche ANSWER the role of an organism in an ecosystem Specialized Niche ANSWER have a narrow range of food requirements or live in a specific habitat Example: Butterfly Fish Generalized Niche ANSWER can exploit a wider range of food sources and live in a wider range of habitats Example: Tuna or Sharks(Great White)