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5 Cards in this Set
- Front
- Back
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Notochord |
stiff but flexible rod of cells that runs the length of the body near the dorsal surface |
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the four characteristics that chordates have at some point in their life |
notochord, dorsal, post anal tail, pharyngeal tail |
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phylum chordata includes: |
all animals with backbones, vertebrates, and two groups of invertebrates |
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ampullae of lorenzini |
sense organs that cartilaginous fishes have that detect weak electrical fields such as those given off by muscles when they contract. this system has been shown to help them locate prey |
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cartilage |
a strong connective tissue and flexible lightweight material made of cells surrounded by tough fibers |
