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Marine Vertebrates 2
Marine Vertebrates Keyword review
| Term | Definition |
|---|---|
| Agnathans | class of marine vertebrates that have no jaws or appendages |
| Chondrichthyes | class of cartilaginous fish, well-developed jaws |
| Osteichthyes | class of bony fish |
| Chromatophores | pigment containing or pigment producing cell that color the skin |
| Iridocytes | cells that contain iridosomes and scatter light giving a reflective appearance |
| Countershading | development of dark colors on body parts exposed to the sun, light colors on shaded parts, used for concealment |
| Placoid | platelike scales found on sharks |
| Ecotherm | cold blooded |
| Endotherm | warm blooded |
| Cetaceans | marine mammals with nearly hairless body, flippers, limbs and notched tail |
| Baleen | flat flexible plates with frayed edges in two rows used to trap food |
| Pinnipedia | aquatic carnivorous mammals with webbed feet |
| Sirenians | order of sea cows |
| Shunting | act of turning aside or moving on an alternate course |
| Lateral line | detects disturbances in the water |
| Barbel | tasting and feeling |
| Operculum | bony flap, gill cover on fish |
| Dorsal Fin | unpaired keel (top of body), keeps fish from rolling |
| Pectoral fin | paired, brakes and steering |
| Caudal fin | unpaired, propel and maneuver fish |
| Pelvic fin | paired, keeps fish horizontal |
| Anal fin | unpaired keep, keeps fish from rolling |
Created by:
allinone
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