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Kingdom 4
| Question | Answer |
|---|---|
| chordate | phylum's members have a notochord, a nerve cord, and slits in their throat area at some point in their lives; vertebrates |
| notochord | flexible rod that supports a chordate's back |
| vertebrae | animal that has a back bone |
| ectotherm | animal whose body does not produce much internal heat |
| endotherm | animal whose body controls and regulates its temperature by controlling the internal heat that it produces |
| fish | ectothermic vertebrate that lives in water; 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 | internal, gas-filled organ that helps a bony fish stabilize its body at different water depths |
| amphibian | ectothermic vertebrate that spends its immature life in water and mature life on land |
| tadpole | larval form of a toad/frog |
| 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 has lungs; skin |
| kidney | major organ of the excretory system that removes urea and other wastes from the blood |
| amniotic egg | egg with a shell and internal membranes that keep the embryo moist |
| bird | endothermic vertebrate that has feathers, a four-chambered heart, and lays eggs |
| crop | bird's internal storage pouch that allows it to store food inside its body after swallowing it |
| gizzard | muscular, thick walled part of a bird's stomach that squeezes and grinds partially digested food |
| mammal | endothermic vertebrate with a four-chambered heart, skin covered with fur or hair and young fed with milk from the mother's body |
| mammary gland | organ in the female mammals that produces milk for the mammals young |
| monotreme | mammal that lays eggs |
| marsupial | mammal whose young are born alive at an early stage of development, and which usually continue to develop in a pouch on their mother's body |
| gestation period | length of time between fertilization and birth of an animal |
| placental mammal | mammal that develops inside of its mother's body its body systems can function properly |
Created by:
ReignsGirl
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