invertebrates presantation

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Post on 21-Jan-2018

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  1. 2. Invertebrates:
    • An invertebrate is an animal without a backbone .
    • 98%.
  2. 3. Invertebrates
    • Arachnids are arthropods. Most of them live on land.
    • The group includes spiders,scorpions,mites, and ticks.
  3. 4. scorpions
    • The scorpion's body has two parts, a cephalothorax which contains the prosoma, or head
    • Behaviour
    • Scorpions are nocturnal and hide during the day.