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chapter 3.1vertebra

Endotherm An animal whose body controls and regulates it's tempurature by controlling the internal heat it produces
Ectotherm An animal whose body does not produce much internal heat
Chordate The phylum whose members have a notochord, a nerve chord, and slits in their throat area at some point in their lives
Notochord A flexible rod that supports a chordate's back
Vertebra The bones that make up the backbone of an animal
Cartilage A flexible, strong tissue that is softer than bone
fish An Ectothermic vertebrate that lives in the water and has fins
Swim bladder An internal gas-filled organ that helps a bony fish stabilize it's body at different water depths.
Bouyant Force The force that water exerts upward on any underwater object
Amphibian An ectothermic vertebrate that spends its early life in water and its adulthood on land, returning to water to reproduce
Habitat The specific enviroment in which an animal lives
Atrium An upper chamber of the heart
Venticle The lower chamber of the heart, which pumps blood out to the lungs and body
Reptile An ectothermic vertebrate that has lungs and scaly skin
Urine The watery fluid in which the wastes produced by an animals cells are excreted
Fossil The hardened remains or other evidence of a living thing that existed a long time in the past
Sedimentary Rock Rock formed from hardened layers of sediments- particles of clay, sand, mud, or slit
Paleontogists A scientist who studies extinct organisms, examines fossil structures, and makes comparasions to present-day organisms
Created by: Kadiecotton