INVERTEBRATES

Maria Sierra Álv
Mind Map by Maria Sierra Álv, updated more than 1 year ago
Maria Sierra Álv
Created by Maria Sierra Álv over 5 years ago
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Mind Map on INVERTEBRATES, created by Maria Sierra Álv on 02/01/2016.

Resource summary

INVERTEBRATES
  1. ARTHROPODS: They have an external skeleton called: exoskeleton
    1. CRUSTACEANS:. Body: 2 parts (cephalotorax and abdomen). Exoskeleton:very hard. Legs: five pairs of legs with claws. Antennae: 4 Ex: a crab
      1. MYRIAPODS: Body: seg.mented body. Legs: Many pairs of legs.Antennae:2 Ex: centipede
        1. INSECTS: Body: 3 parts (head, thorax and abdomen). Legs: three pairs. Antennae: 2.. Some insectcs have wings. Ex: mosquito
          1. ARACHNIDS: Body: 2 parts (cephalotorax and abdomen). Legs: 4 pairs. Eyes:8 eyes. Ex: spider
          2. ECHINODERMS:Live at the bottom of the sea.They are covered by a hard spiny skin. Ex: the starfish
            1. ANNELIDS: They have long and soft body with moist skin. They can live inside other animals. Ex: Parasites
              1. CNIDARIANS: They live in the sea. They have a soft jelly-like body and venemous tentacles.Ex: Jellyfish
                1. SPONGES: They live in water.They have no muscles. They are the simplest invertebrate.
                  1. MOLLUSC
                    1. Gastropod Ex:snail
                      1. Bivalves: Ex: mussels
                        1. Cephalopod Ex: squid
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