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Study
4th Grade Unit 3 Science Review
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Octopus: Invertebrate>Molluscs>Cephalopod
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What are the six main groups of invertebrates?
annelids, mollusks, echinoderms, arthropods, poriferans, cnidarians
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How do birds breathe?
Lungs and air sacs
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What do omnivores eat?
Both plants & other animals
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Tell us an example of a carnivore.
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Sea Sponge Invertebrate: Porifera
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What are the four types of arthropods?
Insects, Arachnids, Crustaceans, Myriapods
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What are the three types of molluscs?
Gastropods, Bivalves, Cephalopods
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How do frogs breathe?
Lungs and moist skin
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Earthworm: Invertebrate>Annelida
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What are these?
Gills
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What are the two classifications of animals?
Vertebrates & Invertebrates
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How do turtles reproduce?
Oviparous
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Crab: Invertebrate>Arthropod>Crustaceans
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What animals are oviparous?
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What animals are Viviparous?
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Jellyfish Invertebrate: Cnidaria
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Starfish Invertebrate: Echinoderm
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Name a marine mammal.
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What do omnivores eat?
Both plants & other animals
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