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Flash Cards

chordates the phylum whose members have a notochord, a nerve cord, and slit in their throat area at some point in their lives
notochord a Flexible rod that support's a chordate's back.
cartilage A flexible, strong tissues that is softer than bone
vertebrate a animal that has a backbone
ectotherm a animal whose body dose not produce much internal heat- its body temp changes depending on the temp of its environment.
endotherm an animal whose body control and regulates its temp by controlling the internal heat it produce.
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 its body at different water depths
buoyant force the force that water exerts upward on any underwater object.
amphibian is an ectothermic vertebrates that spends its early life in the water.
atria the 2 upper chambers of the heart, called atria.
ventricle the lower chamber of the heart which pumps blood out of the lungs and body.
reptile an exothermic vertebrates that has lungs and scaly skin
Created by: deans1