Biology - Invertabrates
- Created by: erindutton
- Created on: 28-02-16 16:31
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- Invertibrates
- Arthropod characteristics
- A hard exoskeleton - skeleton on the outsise rather than on the inside
- A segmented body - their body is in sections
- Jointed legs
- Arthropod groups
- Insects, 6 legs
- Arachnids, 8 legs
- Crustaceans, 10 -14 legs
- Myriapods, 20+ legs
- Other invertibrates
- Annelids - segmented worms with soft bodies, segments give it a ringed appearence.
- Nematodes - Tiny thin worms without segments, many species are free-living, but others are parasites causing disease, like hookworms.
- Molluscs - usually have a broad muscular foot and may also have a shell. Examples include snails, squids, slugs and octopuses.
- Arthropod characteristics
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