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10 Cards in this Set
- Front
- Back
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What is a vertebrate? |
Animal with a backbone |
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Chordates |
- has 3 characteristics - most chordates also has backbones |
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What are the 3 characteristics do all chordates share? |
Notochord Nerve chord throat pouch |
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Notochord |
a flexible rod that supports a chordate's back |
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Nerve chord |
All chordates have a nerve chord that runs down their backs the nerve chord connects the brain to nerves on other parts of the body |
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Throat Pouches |
at some point in a chordates life they get punches in their throat area on fishes and lancelets grooves between these pouches become gill slits on most vertebrates, the pouches disappear before birth |
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Vertebrae |
The backbone is made up of a stack of many small bones Each vertebrae has a hole in it. The holes from a tunnel that a bundle of nerve tissue or spinal cord, passes through. |
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Ectotherm |
An animal that produces little internal body heat Its body temperature changes with the environments temperature |
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Endotherm |
An animal that controls the internal heat it produces and regulates its own temperature Endotherm body temperature is fairly constant (has adaptation ex. fur) |
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What are three functions of an endoskeleton |
Skull, Ribs, and Backbone |
