Invertebrates lucia

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Invertebrates lucia

  1. 1. The characteristic of invertebrates :-They haven’t got a spinal column or an internalskeleton.-They are multicellular.
  2. 2. -Invertebrates can have a hard shell.-They also can have an exoskeleton.-Some of these animals have got a soft body without protection.
  3. 3. We can find six groups of invertebrates:-Mollusks-Annelids-Echinoderms-Jelyfish and polyps-Arthropods-Sponges
  4. 4. The characteristics of arthropods are:-They have jointed parts and jointed legs.-They have an exoskeleton.Arthropods can divided into four groups:-Insects-Arachnids-Crustaceans-Myriapods
  5. 5. The characteristics of mollusks are:-They’ve got soft body.-Most of them have a hard shell.-Many mollusks have a muscular foot.Mollusks can divided into three groups:-Bivalves-Gastropods-Cephalopods
  6. 6. The characteristics of sponges are:-They live in the ocean.-They can’t move around.-They are filter feeders.
  7. 7. The characteristics of jelyfish and polyps are:-They live in the ocean.-They are carnivores.
  8. 8. The characteristics of echinoderms are:-They live in the ocean.-They’ve got tiny feet with suction cups.
  9. 9. The characteristics of annelids are:-They are worms with long, soft bodies.-Most of them live in water.-Their body is divided into segments.

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