Marine Biology: An Ecological Approach |
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Page 90
... body musculature . The result is that the propulsive wave is less apparent , is confined to the posterior part of the body , and progresses most quickly along the body . The speed of a fish is related to the speed with which the muscle ...
... body musculature . The result is that the propulsive wave is less apparent , is confined to the posterior part of the body , and progresses most quickly along the body . The speed of a fish is related to the speed with which the muscle ...
Page 94
... bodies that approximate this shape ( Fig . 3-10 ) . In addition to body shape nektonic animals have other adaptations to reduce drag . These adaptations generally fall under the category of streamlining the external surface of the body ...
... bodies that approximate this shape ( Fig . 3-10 ) . In addition to body shape nektonic animals have other adaptations to reduce drag . These adaptations generally fall under the category of streamlining the external surface of the body ...
Page 95
... body , cryptic coloring , and alteration of body shape ( = cryptic body shape ) . If the body of an organism is transparent and suspended in the transparent surface water of the ocean , the animal will become invisible when viewed in ...
... body , cryptic coloring , and alteration of body shape ( = cryptic body shape ) . If the body of an organism is transparent and suspended in the transparent surface water of the ocean , the animal will become invisible when viewed in ...
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abundant adaptations algae algal amount amphipods anemones areas Atlantic bacteria barnacles benthic biology body bottom burrow carnivores changes Cnidaria communities competition copepods coral reef crabs crustaceans deep sea density deposit feeders depth desiccation detritus diatoms dinoflagellates dominant ecology ecosystems eggs epipelagic estuary fauna feeding Figure fishes fresh water grazing hence herbivores increased invertebrates kelp kelp beds large numbers larvae layers levels light living low tide major marine mammals marsh mesopelagic migrate mollusks Mytilus nekton number of species numbers nutrients occur ocean oxygen Pacific coast particles patterns pelagic percent Photo courtesy photophores photosynthesis physical factors phytoplankton plankton plants Plate polychaete population predators primary productivity reduced result rocky shores salinity salt sand beaches sea grass sea urchins sea water sediment shallow water squids substrate surface waters suspension feeders temperate temperature terrestrial thermocline tropical tuna upper various vertical water column water mass wave action whales zonation zone zooplankton zooxanthellae