Study

Invertebrates

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  • What are the 6 most important groups of invertebrates
    Sponges, cnidarians, worms, molluscs, echinoderms, and arthropods
  • What group of invertebrates have poisonous tentacles and jelly-like bodies?
    Cnidarians
  • Describe a mollusc. What are some characteristics molluscs have?
    They have soft bodies, and one or two shells to protect them.
  • What is the simplest invertebrate?
    Sponges
  • What group of invertebrates are marine animals? Their skeleton is made of hard plates.
    Echinoderms
  • What group of invertebrates include mussels, octopuses, squids and snails?
    Molluscs
  • A _____ is a type of cnidarian
    Jellyfish
  • Describe an echinoderm. What are some characteristics echinoderms have?
    They have got a skeleton made of hard plates, often with spines
  • What group of invertebrates have long, soft bodies and no legs? They live in soil, in water or inside other bodies.
    Worms
  • Squidward from Spongebob, belongs to what group of invertebrates?
    Molluscs
  • Give one example of a type of worm
    Roundworm, fireworm, or earthworm.
  • True or False: Invertebrates have a spinal column.
    False
  • Give one example of a type of mollusc
    Mussels, octopuses, clams, or squids
  • True or False: Slugs don't have shells.
    True
  • True or False: A bivalve has one shell.
    False
  • Describe a worm. What are some characteristics worms have?
    They have got long, soft bodies. They haven't got legs.
  • Patrick Star from Spongebob, belongs to what group of invertebrates?
    Echinoderms.
  • Describe a cnidarian. What are some characteristics cnidarians have?
    They have jelly-like bodies and/or poisonous tentacles
  • True or False: The majority of animals are invertebrates
    True
  • What group of invertebrates live attached to rocks and have sac like bodies full of pores?
    Sponges