Question | Answer |
An animal that has a backbone | Vertebrate |
An animal that can use body heat from chemical reactions to maitain a constant body temperature | Endotherm |
A organism that needs outside sources of heat to keep its body warm | Ectoterm |
Sense organs on the side of a fish that detect vibrations in the water | Lateral Line |
A respritory organ that that removes oxygen from the water and exchanges carbon dioxide in the blood | Gill |
A gas-filled sac that is used to control buoyancy | Swim Bladder |
A respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood | Lung |
The aquatic fish-shaped larva of a frog or toad | Tadpole |
A phase in the life cycle of many animals during which a rapid change from immature from to adult form takes place. | Metamorphosis |
A type of egg that is surrounded by a shell and laid by reptiles, mammals and birds. | Amniotic egg |
Fan-shaped structures that help fishes move. | Fins |
Bony structures that cover a fishes body | Scales |
The female lays unfertilized eggs in the water, and the male drops sperm on them. | External fertilization |
The male deposits sperm inside the female | Internal fertilization |
Hagfish and lampreys belong to this group of fish | Jawless fish |
Sharks belong to this group of fish | Cartilaginous fishes |
Ninety-five percent of all fishes belong to this group | Bony fishes |
Legless amphibians found in tropical areas of Asia, Africa, and South America | Caecilians |
Four legged amphibians that live under stones and logs in the woods of North America. | Salamanders |
90% of all amphibians | Fros and toads |
A group of animals that spend part of their lives in water and part on land | Amphibians |
Animals whose thick skin allows them to live away from water and lay eggs with shells | Reptiles |
4 legged, shelled reptiles that live on land | Tortoises |
4 legged shelled reptiles that lie in the water | Turtles |
4 legged meat eating reptiles with eyes on the top of their heads and spend most of their time in the water. | Crocodiles and alligators |
Meat eating reptiles that kill their prey by squeezing or poison | Snakes |
Reptiles that eat small insects, worms, or plants. Some can break off their tails when threatened. | Lizards |
Giant reptiles that live on only a few islands off the coast of New Zealand | Tuataras |