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ch11 3,4,5
science
| Question | Answer |
|---|---|
| amphibian | vertebrate that lives both on land and in water |
| tadpole | larva of frog and toad |
| lungs | air-breathing organs that exchange oxygen and carbon dixiode |
| atrium | upper chambers of the heart |
| ventricle | lower chamber of the heart |
| habitat | specific enviroment |
| reptile | vertebrate that is ectothermic, has scales, and lungs. |
| kidney | organ that filters waste from blood |
| urine | wastes that are filtered in a watery way that contains urnin and salt. |
| amniotic egg | an egg with internal membrane that keep the embryo moist |
| fossil | hardened remains of an animal |
| paleontologists | scientists that study fossils and extinct organisms |
| sedimentary rock | layers of sedimant |