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Invertebrates 7-2

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  • Cnidarians have radial symmetry. True or False?
    True
  • All Mollusks have shells. True or False?
    False. Only SOME have shells
  • The largest group of invertebrates are?
    Arthropods
  • Sea Stars, Sea Urchins, Sand dollars, and squid are all Echinoderms. True or False
    False
  • Spiders have air tubes to breathe. True or false?
    True
  • What does the word Cnidarian mean?
    "Stinging Cells"
  • What does the word Echinoderm mean?
    "Spiny Skin"
  • Roundworms have a round shape with points at the end. True or False?
    True
  • The simplest animal with no organs or tissues
    Sponges
  • How do Mollusks breathe?
    With Gills and Lungs
  • Give two examples of Myriapods.
    Centipedes and Millipedes
  • All Mollusks live in water. True or False?
    False. Snails, and slugs live on land
  • Tapeworms are examples of what type of worm?
    Flat Worms
  • Underneath a Sea Star, you would find tubed feet. True or False?
    True
  • In Finding Nemo, the clown fish hides in what Cnidarian?
    Sea Anemone
  • Worms with long, tube-shaped bodies in segments are?
    Annelids
  • Sponges are asymmetrical. True or False?
    True
  • Have segmented bodies, exoskeletons, and JOINTED LEGS
    Arthropods
  • Main difference between Arachnids and Insects?
    Insects have 6 legs, Arachnids have 8 legs
  • Arthropods have an exoskeleton which means?
    Hard outer skeleton
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