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Science

Ectotherm An animal whose body does not produce much internal heat.
Vertebra The bones that make up the backbones of an animal.
Notochord A flexible rod that supports a chordates back.
Endotherm An animal whose body controls and regulates its temperature by controlling the internal heat it produces.
Chordate The phylum whose members have a notochord, a nerve cord, and slits in there throat.
Cartilage A flexible strong tissue that is softer than bone.
Fish A n Ectothernic vertebrate that lives in the water and has fins.
Swim Bladder An internal gas-filled organ that helps a bony fish stabalize its body at different water depths.
Habitat The specific environment in which an animal lives.
Amphibian An Ectothernic vertebrate that spends its early life in water and its adult hood on land, returning to wtaer to reproduce.
Atrium An upper chamber of the heart.
Verticle The lower chamber of the heart, which pumps blood out to the lungs and body.
Urine The watery fluid in which the wastes produced by an animals cell are excreted
Reptile An exothernic vertebrate that has lungs and scaly skin.
Fossil The hardened remains or, other evidence of a living thing exsisted a long time ago.
Palentologist A scientist who studies extinct organisms examines fossil structures and makes comparisons to presetn-day organisms.
Sedimentary rock Rock formed from hardened layers of sediments- particles of clay, sand, mud, or silt.
Created by: natejc
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