Marine Biology: An Ecological Approach |
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Page 241
... burrow through the sand ingesting the sand and digesting out the organic particles . Much like earthworms on land , however , they are rarely abundant on open sand beaches because the amount of organic material is less than in mud ...
... burrow through the sand ingesting the sand and digesting out the organic particles . Much like earthworms on land , however , they are rarely abundant on open sand beaches because the amount of organic material is less than in mud ...
Page 370
... burrow . In this case , the commensal or guest occupies the tube or burrow constructed by the host , but is not necessarily in close association with the body of the host . These commensals use the tube or burrow as a refuge from ...
... burrow . In this case , the commensal or guest occupies the tube or burrow constructed by the host , but is not necessarily in close association with the body of the host . These commensals use the tube or burrow as a refuge from ...
Page 372
... burrow in which can be found four or more commensals ( Fig . 10-11 ) . At the upper end is the fish Clevelandia ios ... burrow of Urechis , thus enabling it to live lower in the substrate than the length of its siphons would normally ...
... burrow in which can be found four or more commensals ( Fig . 10-11 ) . At the upper end is the fish Clevelandia ios ... burrow of Urechis , thus enabling it to live lower in the substrate than the length of its siphons would normally ...
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Common terms and phrases
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