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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 |