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Some Ecological Principles
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abundant adaptations algae algal amount amphipods anemones animals areas associations bacteria barnacles benthic biology body bottom burrow carnivores changes clams Cnidaria communities compensation depth competition copepods coral reef courtesy of Dr crabs crustaceans deep sea density deposit feeders desiccation diatoms dinoflagellates distribution dominant ecology estuary fauna feeding Figure fishes fresh water grazing hence herbivores increased interstitial organisms intertidal organisms invertebrates kelp kelp beds large numbers larvae layers levels light living low tide major marine mammals mesopelagic migration mollusks mud flats Mytilus nekton nutrients occur ocean oxygen Pacific coast particles patterns pelagic percent Photo courtesy photophores photosynthesis phylum physical factors phytoplankton plankton plants Plate polychaete population predators primary productivity reduced respiration result rocky shores salinity sand beaches sea grass sea water sediment shallow water species squids substrate surface temperate temperature terrestrial thermocline tidepools tropical upper various vertical water column wave action whales zonation zooplankton zooxanthellae