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Echnioderms

Quiz by Brittany Easterlin

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23 questions
Show answers
  • Q1
    Which phylum do echinoderms belong to?
    Mollusca
    Arthropoda
    Cnidaria
    Echinodermata
    30s
  • Q2
    Which of the following is a characteristic feature of echinoderms?
    Bilateral symmetry
    Pentaradial symmetry
    Asymmetry
    Radial symmetry
    30s
  • Q3
    How do echinoderms breathe?
    Through gills
    Through skin
    Through their tube feet
    Through lungs
    30s
  • Q4
    What is the scientific name for the group of echinoderms that includes sea urchins and sand dollars?
    Echinoidea
    Asteroidea
    Ophiuroidea
    Holothuroidea
    30s
  • Q5
    What is the function of tube feet in echinoderms?
    Thermoregulation
    Communication
    Locomotion and feeding
    Respiration
    30s
  • Q6
    What is the unique feature of the water vascular system that allows echinoderms to control their tube feet?
    Sieve plate
    Tube foot
    Ampulla
    Tube sponge
    30s
  • Q7
    Which phylum do jellyfish belong to?
    Arthropoda
    Cnidaria
    Chordata
    Mollusca
    30s
  • Q8
    What is the primary characteristic of cnidarians?
    Stinging cells (cnidocytes)
    Suction cup tentacles
    Jointed appendages
    Hard exoskeleton
    30s
  • Q9
    Which structure do cnidarians use to capture prey and defend themselves?
    Tentacles with stinging cells (cnidocytes)
    Fangs with poison sacs
    Suction cups with spines
    Pincers with venom glands
    30s
  • Q10
    What is the body symmetry exhibited by cnidarians?
    Spherical symmetry
    Asymmetry
    Bilateral symmetry
    Radial symmetry
    30s
  • Q11
    Which of the following is not a type of cnidarian?
    Flatworm
    Jellyfish
    Corals
    Sea anemones
    30s
  • Q12
    What is the function of the nematocysts in cnidarians?
    To store excess nutrients for later use
    To expel waste from the body
    To inject venom into prey or predators
    To sense changes in the environment
    30s
  • Q13
    Which of the following is a characteristic feature of cnidarians?
    Internal gills
    Presence of a nerve net
    Closed circulatory system
    External skeleton
    30s
  • Q14
    Which of the following is not a type of worm?
    Earthworm
    Sternum
    Tapeworm
    30s
  • Q15
    Which type of worm is commonly used for composting?
    Bloodworm
    Red wiggler
    Silkworm
    30s

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