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Stack #1857052

chordate The phylum whose members have a notochord, a nerve chord, and slits in their throat area some point in their lives.
notochord A flexible rod that supports a chordate back.
vertebra Small bones that make up the back bone.
ectotherm An animal whose body does not produce much internal heat.
endotherm An animal whose body controls and regulates its temperature by controlling the internal heat it produces.
fish ectothermic vertebrate that lives in the water and has fins.
cartilage Connective tissue that is more flexible than bone and that protects the ends of bones and keeps them from rubbing together.
swim bladder An internal, gas-filled organ that helps a bony fish stabilize its body at different water depth.
amphibian Ectothermic vertebrate that spends its early life in water and its adult life on land.
tadpole LArval form of a frog or a toad.
ventricle Lower chamber of the heart that pumps blood out to the lungs and body.
habitat Specific environment that provides the things an organism needs to live, grow, and reproduce.
reptile Ectothermic vertebrate that lays eggs and has lungs and scaly skin.
kidney Major organ of the excretory system that removes urea and other wastes from the blood.
amniotic egg An egg with a shell and internal membranes that keep the embryo moist.
bird Endothermic vertebrate that has feathers and a four-chambered heart, and lays egg.
crop A birds internal storage pouch that allows it to store food inside its body after swallowing it.
gizzard A muscular, thick-walled part of a birds stomach that squeezes and grinds partially digested food.
mammal An endothermic vertebrate with a four-chambered heart, skin covered with fur or hair, and young fed with milk from the mothers body.
mammary gland An organ in female mammals that produces milk for the mammals young.
monotreme A mammal that lays eggs.
marsupial A mammal that lays eggs.
gestation period The length of time between fertilization and birth of a mammal.
placental mammal A mammal that develops inside it's mothers body until its body system can function independently.
Created by: barreironataly