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EnSci Final 2013
| Question | Answer |
|---|---|
| kingdom and phylum corals belong to | animalia, chidaria |
| stomach in a starfish that is everted | cardiac |
| organism that prunes coral reefs | parrotfish |
| class of sea stars | asteroidea |
| reproduction typical of echinoderms | sexual and external |
| characteristics of sea stars | central disc, 5 arms, tube feet, spiny endoskeleton |
| conditions preferred by corals | shallow clean water with high salinity |
| name 3 echinoderms | sea lily, sea star, sea cucumber |
| bumps on skin which absorb oxygen | dermal branchiae |
| functions as circulatory system of starfish, although does not contain blood | coelomic fluid |
| water entering a madreporite next enters the... | stone canal |
| Darwin's concept of reef formation is... | all reef forms are in separate stages of reef development |
| type of symbiotic relationship between zooxanthellae and coral | mutualism |
| what do hydrothermal vents and cold seeps have in common | they ooze chemicals into the sea |
| avg depth of the photic zone | 50 - 100 meters |
| huge circular rivers in the ocean | gyres |
| where is seaweed found | photc zone |
| are starfish benthic or pelagic | benthic |
| what causes El Nino | when prevailing winds change the normal currents |
| what causes tides | gravitational pull of moon and sun |
| name 3 fratures associated with the hadal zone | trenches, the deep, subduction |
| large continuous mountain chain under the sea | Mid-ocean ridge |
| what are tsunami's | huge destructive waves |
| type of rocks in the ADK | metamorphic |
| what do sea stars, bony fish, and corals have in common | external sexual repro |
| organ that provides buoyancy for fish | swim bladder |
| ADK basement rock extends into Canada at the surface along a narrow zone called the... | Frontenac Arch |
| describe the ADK mountains | young domed mountains made of old rock, surrounded by younger rocks |
| why are fish slimy | to decrease friction and protect against germs |
| how do fish breathe | gill filaments |
| why are ADK stromatolites unusual | they are in metasedimentary rock, they are upside down, they indicate ADK were once covered by a shallow sea |
| what direction do most lakes in the ADK run | NE/SW |