Term | Definition |
Characteristics of amphibians | lay eggs in water, live in water when young, on land as adults, and are cold blooded |
Characteristics of mammals | mothers feed young milk, are covered in fur or hair, have sweat glands, and are warm blooded |
Characteristics of birds | are warm blooded, lay eggs, have wings and feathers |
people, dog cow | examples of mammals |
robins, eagles, penguins | examples of birds |
turtles, snakes, crocodiles | examples of reptiles |
trout, tuna, goldfish | examples of bony fish |
frogs, toads, salamanders | examples of amphibians |
Characteristics of bony fish | have a hard skeleton, are cold blooded, and have a swim bladder |
Characteristics of reptiles | are cold blooded, have lungs, hard scales, and most lay eggs with soft shells |
habit loss, overhunting, pollution, exotic species | Why are animals endangered? |
pass & support laws, build parks or reserves, limit hunting, limit pesticide use | What can people do to save endangered species? |
endoskeleton | an internal skeleton |
cartilage | tissue that is softer than bone but harder than flesh -- the tip of your nose |
tetrapods | four footed vertebrates |
cold blooded | animals that can not keep their body temperatures constant and warm |
warm blooded | animals that can keep their body temperatures constant and warm |