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Sixth Grade (Grade 6) Zoology Questions

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Grade 6 Zoology
These fish are the cartilaginous fish.
  1. sharks, skates, and rays
  2. tuna, salmon, and perch
  3. hagfish and lampreys
Grade 6 Zoology
How do snakes move?
  1. swimming motion
  2. flying motion
  3. undulating motion
  4. walking motion
Grade 6 Zoology
Which animal has an endoskeleton and an exoskeleton?
  1. crab
  2. turtle
  3. spider
  4. earthworm
Grade 6 Zoology
An animal whose body is made up of connected sections, or segments, is the
  1. flatworm.
  2. roundworm.
  3. segmented worm.
  4. body worm.
Grade 6 Zoology
What parasite has a digestive system with two openings and has a round tubelike body?
  1. flatworm
  2. roundworm
  3. segmented worm
  4. ground worm
Grade 6 Zoology
What is the period of time during which a mammal develops inside its mother's body?
  1. gestation
  2. germination
  3. regeneration
  4. pollination
Grade 6 Zoology
An animal that eats organisms that float through the water is a(n)
  1. nematocyst.
  2. vertebrate.
  3. invertebrate.
  4. parasite.
  5. filter feeder.
Grade 6 Zoology
Which phrase describes an invertebrate?
  1. has no backbone
  2. cannot move
  3. has a backbone
Grade 6 Zoology
How are bird bones different from the bones of other animals?
  1. Bird bones are more dense (heavier).
  2. Bird bones are hollow in the middle.
  3. Bird bones are solid in the middle.
  4. Bird bones are weak.
Grade 6 Zoology
Pictograph - Adult Butterfly
Which best describes the symmetry of butterflies?
  1. spherical symmetry
  2. bilateral symmetry
  3. radial symmetry
  4. no symmetry
Grade 6 Zoology
Tapeworms and planaria belong to phyla
  1. Cnidaria.
  2. Platyhelminthes.
  3. Porifera.
  4. Nematoda.
Grade 6 Zoology
Reef-building coral can live only in
  1. warm, shallow, clear salt water.
  2. cold, shallow, clear fresh water.
  3. warm, deep, clear salt water.
  4. the Pacific Ocean.
Grade 6 Zoology
An organism having two sides the same when divided down the middle shows
  1. a nematocyst.
  2. free living.
  3. bilateral symmetry.
  4. a parasite.
  5. radial symmetry.
Grade 6 Zoology
Sponges have organ systems.
  1. True
  2. False
Grade 6 Zoology
What does it mean if an animal is cold-blooded?
  1. It lives in water.
  2. It prefers a cold environment.
  3. It maintains a cold body temperature.
  4. It cannot maintain a constant body temperature.
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