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Unformatted text preview: to a hard surface and develops into polyp, poly release medusa-Jellyfish: Scyphozoa, no colonies, sexual reproduction, medusas, can grow huge-Hydras and relatives: hydrozoa, colonies, Portuguese man of war contains specialized polyps, hydras: solitary polyps only, get nutrition from stinging small prey and symbiotic photosynthetic protists. -Sea anemones: anthozoa, solitary polyps . Corals: colonial, single polyp first grows when motile larva settles, new polyps grows thru budding, sexual reproduction, require light for photosynthetic symbionts-Chemicals, divers, sediments cause stress and kill corals by poisoning, damaging, or smothering them. Coral bleaching occurs with high temps in the water, and produces white skeletons. .. because of global warming....
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This note was uploaded on 01/02/2012 for the course BIO 101 taught by Professor Dr.chan during the Fall '11 term at Marine Biological Laboratory.
- Fall '11