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4th Grade Unit 3 Science Review

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  • Categorize this animal
    Octopus: Invertebrate>Molluscs>Cephalopod
  • What are the six main groups of invertebrates?
    annelids, mollusks, echinoderms, arthropods, poriferans, cnidarians
  • How do birds breathe?
    Lungs and air sacs
  • What do omnivores eat?
    Both plants & other animals
  • Tell us an example of a carnivore.
    Check answer
  • Categorize this animal
    Sea Sponge Invertebrate: Porifera
  • What are the four types of arthropods?
    Insects, Arachnids, Crustaceans, Myriapods
  • What are the three types of molluscs?
    Gastropods, Bivalves, Cephalopods
  • How do frogs breathe?
    Lungs and moist skin
  • Categorize this animal
    Earthworm: Invertebrate>Annelida
  • What are these?
    Gills
  • What are the two classifications of animals?
    Vertebrates & Invertebrates
  • How do turtles reproduce?
    Oviparous
  • Categorize this animal
    Crab: Invertebrate>Arthropod>Crustaceans
  • What animals are oviparous?
    Check answer
  • What animals are Viviparous?
    Check answer
  • Categorize this animal
    Jellyfish Invertebrate: Cnidaria
  • Categorize this animal
    Starfish Invertebrate: Echinoderm
  • Name a marine mammal.
    Check answer
  • What do omnivores eat?
    Both plants & other animals