Gr. 7 - Sponges, Cnidarians, and Worms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the basic unit of structure and function of living things? | Cells
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| What is a group of similar cells that perform a special function? | Tissue
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| What does a group of different tissues form? | Organ
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| What are the levels of organization of living things? | Cells, Tissues, Organ, System
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| What type of reproduction involves the joining of two cells to create a similar offspring? | Sexual
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| What type of reproduction involves the process of a single organism producing identical offspring? | Asexual
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| What are two types of asexual reproduction? | Budding and Splitting Off
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| What are animals with a backbone? | Vertebrate
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| What are animals with no backbone? | Invertebrate
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| What type of symmetry is it when there is only one line of symmetry? | Bilateral
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| What type of symmetry has many lines of symmetry? | Radial
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| Where are the sense organs located on an animal with bilateral symmetry? | Front End
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| Where do all animals with radial symmetry live? | Water
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| What type of symmetry does a sponge have? | None
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| What type of animal has no symmetry and no tissue or organs? | Sponge
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| What whip-like structure beats back and forth helping a sponge trap food? | Collar Cells
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| What do sponges get from water that they filter? | Food and Oxygen
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| How does a sponge reproduce? | Asexually and Sexually
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| What is an immature form of an animal that looks very different from the adult? | Larva
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| What cnidarian has a vase-shaped body plan? | Polyp
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| What cnidarian has a bowl-shaped body plan? | Medusa
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| What is the stinging cell in a cnidarian called? | nematocyst
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| What is a group of many individual animals called? | Colonies
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| What builds coral reefs? | Cnidarians
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| What are the three major phyla of worms? | Roundworms, Flatworms and Segmented Worms
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| What is an organism that lives inside or on another organism? | Parasite
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| What does a parasite take its food from? | Host
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| What type of worm is flat and as soft as jelly? | Flatworms
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| What are animals that feed on dead or decaying materials? | Scavengers
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| Does a flatworm have one or two openings for its digestive system? | One
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| Does a roundworm have one or two openings for its digestive system? | Two
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| Does a segmented worm have an open or closed circulatory system? | Closed
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| What type of circulatory system is made up of blood moving only within a connected network of tubes call blood vessels? | Closed
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| What type of worm needs to stay moist in order to obtain oxygen? | Earthworm
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| How do cnidarians capture food and defend themselves? | Stinging Cells
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| What is a characteristic that helps an organism to perform basic functions in their environments? | Adaptations
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| What do corals spend their adult lives as polyps or Medusa? | Polyps
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