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Post on 21-Jan-2018
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- 2. Invertebrates:
- An invertebrate is an animal without a backbone .
- 3. Invertebrates
- Arachnids are arthropods. Most of them live on land.
- The group includes spiders,scorpions,mites, and ticks.
- 4. scorpions
- The scorpion's body has two parts, a cephalothorax which contains the prosoma, or head
- Scorpions are nocturnal and hide during the day.
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