11.1 and 11.2 Vocab Terms

Question Answer
Chordate All members of the phylum Chordata.
Notochord A flexible rod that supports a chordate's back.
Vertebra Many little bones that make up the backbone.
Ectotherm Animal whose body does not produce much internal heat.
Endotherm Animal whose body controls how much internal heat it produces.
Fish A vertebrate that lives in water and uses fins to move.
Cartilage A tissue that is more flexible than a bone.
Swim Bladder An internal gas filled sac that helps the fish stay stable at different depths in the water.

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