INVERTEBRATES

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4º NATURAL SCIENCE U1 L3 INVERTEBRATES
Rocio Martin
Mind Map by Rocio Martin, updated more than 1 year ago
Rocio Martin
Created by Rocio Martin over 7 years ago
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Resource summary

INVERTEBRATES
  1. MOLLUSCS
    1. Soft muscular body, often protected by hard shell
      1. Some live on land (snails)
        1. Most live in sea (mussels, octopuses)
      2. JELLYFISH
        1. Live in sea
          1. Soft body (umbrella)
            1. Often, long tentacles
              1. Hole under umbrella (mouth & anus)
              2. SPONGES
                1. Live in sea
                  1. Soft bodies with little holes
                    1. Stay on seabed
                    2. ECHINODERMS
                      1. Live in sea
                        1. Hard skin or spikes
                          1. Often, brightly coloured
                            1. Starfish
                            2. ANNELIDS
                              1. Line in sea or land
                                1. Long, soft body, divided into segments
                                  1. Earthworm
                                  2. ARTHROPODS
                                    1. Almost all animals (insects)
                                      1. Live in water, air, land & underground
                                        1. Head, thorax, abdomen, jointed legs & exoskeleton
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