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Fishes
Question | Answer |
---|---|
fish | vertebrate that lives in water and uses fins to move |
cartilage | tissue that is more flexible than bone |
swim bladder | internal, gas-filled sac that helps the fish stay stable at different depths in the water |
forked | having two branches; divided; split |
propel | to push forward |
lure | to attract |
ectotherm | animal whose body does not produce much internal heat |
receptor | sensor for feeling things |
captivity | confined place out of the wild |