Marine BiologyThe new, sixth edition of Marine Biology covers the basics of marine biology and takes a global, non-regional perspective, emphasizing that the world's oceans and seas are an integrated system that cannot be understood by looking in any one person's own backyard. For many students this is a new perspective. This introductory, one-semester text is designed for non-majors. |
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Page 157
... Polychaetes . Almost all marine annelids are polychaetes ( class Poly- chaeta ) , which are very common and important in many environments . Each of their body segments sports a pair of flattened extensions , or parap- odia , which are ...
... Polychaetes . Almost all marine annelids are polychaetes ( class Poly- chaeta ) , which are very common and important in many environments . Each of their body segments sports a pair of flattened extensions , or parap- odia , which are ...
Page 158
... polychaetes , however , obtain- ing enough oxygen from the water is a potential problem . Polychaetes have solved this problem by developing gills in the parapodia or elsewhere . Gills are extensions of the body wall that have many thin ...
... polychaetes , however , obtain- ing enough oxygen from the water is a potential problem . Polychaetes have solved this problem by developing gills in the parapodia or elsewhere . Gills are extensions of the body wall that have many thin ...
Page 159
... polychaetes build and live in a wide variety of tubes , either tem- porary or permanent , single or in aggregations ( see Figures 11-13 , H , and 12-6 , I ) . The tubes may be made of mucus , protein , bits of seaweed , ce- mented mud ...
... polychaetes build and live in a wide variety of tubes , either tem- porary or permanent , single or in aggregations ( see Figures 11-13 , H , and 12-6 , I ) . The tubes may be made of mucus , protein , bits of seaweed , ce- mented mud ...
Contents
The Sea Floor | 22 |
Chemical and Physical Features | 51 |
Part Life in the Marine | 85 |
Copyright | |
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adapted algae animals areas Atlantic bacteria barnacles biologists body bony fishes bottom carbon catch cells cetaceans chemical clams coast coastal communities continental copepods coral reefs crabs crustaceans deep deep-sea deposit feeders depth detritus diatoms dinoflagellates dolphins eggs energy environment epipelagic estuaries feed feeders feet female Figure fins fisheries gametes gills intertidal invertebrates Islands kelp krill larvae layer live low tide male mangrove marine biology marine mammals marine organisms mesopelagic mid-ocean ridge migrate molecules molluscs mouth mussels nekton nitrogen nutrients ocean organic matter oxygen Pacific particles pelagic photosynthesis phylum phytoplankton pinnipeds plankton plants plates polychaetes polyps predators prey primary production produce reproduction rocks rocky salinity salt sea floor sea stars sea urchins seagrasses seawater seaweeds section in Chapter sediment sharks shelf shell shore shrimps skeleton snails species sponges squids surface swim temperature tion tropical tuna turtles water column waves whales worms zone zooplankton zooxanthellae