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SIO132 Midterm
Marine Bio
| Question | Answer |
|---|---|
| Diatoms | single celled eukarya; nonmotile; 20-40% primary productivity |
| Dinoflagellates | single celled eukarya; motile; symbiotic; some autotrophs some heterotrophs |
| Chlorophyta | green algae |
| Rhodophyta | red algae |
| Phaeophyta | brown algae |
| angiosperms | sea grass; mangroves |
| Fungi | decompose; |
| Porifera | Animalia; sponges; no body symmetry; no tissues; flagellated cells |
| Ctenophora | Animalia; comb jellies |
| Cnidaria | Animalia; polyp body plan; tentacles; nematocysts; Hydrozoa, Scyphozoa; Anthozoa |
| Anthozoa | Animalia; Cnidaria; coral and sea anemones; (Hexacorallia--> Scleractinia: hard corals) |
| Scyphozoa | Animalia; Cnidaria; jellyfish |
| Hydrozoa | Animalia; Cnidaria; Siphonophores |
| Nematoda | Animalia; round worms |
| Annelida | Animalia; segmented worms; Polychaeta, |
| Polychaeta | Animalia; Annelida; setae (Vestimentifera, Osedax) |
| Vestimentifera | Animalia; Annelida; Polychaeta; Vent worms |
| Osedax | Animalia; Annelida; Polychaeta; bone eating worms |
| Mollusca | Animalia; head/foot; mantle; gill (Cephalopoda, Bivalvia, Gastropoda) |
| Cephalopoda | Animalia; Mollusca; squids/octopus; chitinous beak |
| Bivalves | Animalia; Mollusca; clams/mussels |
| Gastropoda | Animalia; Mollusca; snails/nudibranchs; mouth: radula |
| Arthropoda | Animalia; external cuticle of chitin (Chelicerata, Crustacea--> Copepoda, Cirripedia, Euphasia, Decapoda) |
| Chelicerata | Animalia; Arthropoda; horseshoe crabs, sea spiders |
| Copepoda | Animalia; Arthropoda; Crustacea; microplankton |
| Cirripedia | Animalia; Arthropoda; Crustacea; barnacles |
| Euphausacea | Animalia; Arthropoda; Crustacea; krill |
| Decapoda | Animalia; Arthropoda; Crustacea; crabs/shrimp |
| Echinodermata | Animalia; (Asteroidea; Echinoidea; Ophiuroidea; Holothuroidea) |
| Asteroidea | Animalia; Echinoderm; Sea Star |
| Echinoidea | Animalia; Echinoderm; Sea urchins |
| Holothuroidea | Animalia; Echinoderm; sea cucumbers |
| Ophiuroidea | Animalia; Echinoderm; brittle stars |
| Vertebrata | Animalia; (Chondrichthys, Actinopterygii, Tetrapoda) |
| Chondrichthys | Animalia; Vertebrata; cartilaginous fish; sharks/rays |
| Actinopterygii | Animalia; Vertebrata; ray-finned fish; true bone |
| Tetrapoda | Animalia; Vertebrata |
| Synechococcus/ Prochlorococcus | Cyanobacteria; picoplankton |
| Intertidal Zones | Soft substrates; mangroves; salt marshes; rocky shores |
| Subtidal Zones | Coral Reefs; Sea grass beds & Estuaries; Rocky Reefs; Deeper substrates--continental shelf |
| Spring tide | tide range at max; sun and moon aligned (every two weeks) |
| Neap tide | tide range at min; sun and moon at 90 degree angle |
| Wave action and Zonation | wave action negligible in deep water |
| Salt Marshes | cord grasses; temperate/warm water; protected; many microhabitats; detritus based food web |
| Mangroves | Angiosperms; prop roots, anchoring roots; pneumatophores (oxygen from air); detritus based food web; |
| Estuaries | semi-inclosed from ocean; salt/fresh water; sea grass; detritus based |
| Diel Vertical Migration | move to epipelagic at night and mesopelagic during day |
| Marine Snow | falling detritus |
| Oxygen minimum zone | beyond continental shelf, 600-1200m |
| Coral Reef | food web based on light, low nutrients |
| Archipelago | string/cluster of islands |