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10 Cards in this Set
- Front
- Back
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fish
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cold blooded (ectothermic) animals that obtain dissolved oxygen in water through gills; most lay eggs, have scales and fins and live in water.
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jawless fish
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have round, toothed mouths and long, tubelike bodies covered with scaleless, slimy skin; examples are lampreys (parasites) and hagfish (feed on dead or dying fish).
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jawed cartilaginous fish
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have endoskeletons made of cartilage, moveable jaws with teeth, and scaly skin; examples are sharks, skates and rays.
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bony fish
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About 95% of all fish belong to this group, have skeletons made of bone and fins; examples are rainbow trout, salmon and eels.
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amphibians
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cold blooded (ectothermic) animals that can breathe in water with gills when young and breathe on land with lungs as adults; go through metamorphosis and lay eggs; examples are frogs, toads and salamanders.
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reptiles
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cold blooded (ectothermic) animals that breathe with lungs, most lay eggs and have scales or plates; examples are snakes, lizards and alligators.
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birds
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warm blooded (endothermic) animals that breathe with lungs, lay eggs, have feathers, a beak, two wings and two feet; examples are bald eagles, hawks and bluejays.
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mammals
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warm blooded (endothermic) animals that breathe with lungs; most have babies that are born live; have fur or hair; and produce milk for their young; examples are human, cows, and dolphins.
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bask
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If the environment is cold, ectothermic animals become slow moving and sluggish and must lay in the sun before they can move about to hunt for food; examples are snakes or lizards.
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burrow
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If the temperature gets too hot, ectothermic animals will need to go underground to keep their bodies cool; examples are groundhogs and mice.
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