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11.3,11.4,11.5 Vocab
| Term | Definition |
|---|---|
| Amphibian | vertebrate that is ectothermic and spends its early life in water |
| Tadpole | larva of a frog or toad |
| Lung | Organs of air-breathing in which carbon dioxide and oxygen are exchanged between the air and the blood |
| Atria | Two upper chambers of the heart |
| Ventricle | lower chamber of the heart |
| Habitat | specific environment in which animals live |
| Reptile | an ectothermic vertebrate that has lungs and scaly skin |
| Kidney | Organs that filter waste from the blood |
| Urine | a watery fluid that waste are execrated |
| Amniotic Egg | Egg with a shell and internal membranes that keep the embryo moist |
| Fossil | hardened remains or other evidence of a living thing that exist a long time ago |
| Sedimentary Rock | hardened layers of rock |
| Paleontologists | scientist that study extinct animals and examine fossils |