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Seventh Grade (Grade 7) Zoology Questions

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Grade 7 Zoology
What do jellyfish use to protect themselves?
  1. knives
  2. stingers
  3. tentacles
  4. electric flagella
Grade 7 Zoology
Which echinoderm feeds like a vacuum cleaner on the ocean floor?
  1. brittle star
  2. sea cucumber
  3. sand dollar
  4. starfish
Grade 7 Zoology
What is a social hierarchy?
  1. release of pheromones by animals to attract mates
  2. animals hunting together and sharing food and shelter
  3. ranking system of animals with dominant and submissive roles
Grade 7 Zoology
Organisms that can be cut only one way to create left and right halves are
  1. asymmetrical.
  2. not symmetrical.
  3. bilaterally symmetrical.
  4. radially symmetrical.
Grade 7 Zoology
The shell of a mollusk is made by its
  1. mantle.
  2. tentacles.
  3. stomach.
  4. radula.
Grade 7 Zoology
Which type of chicks are featherless and helpless when they hatch?
  1. altricial
  2. dependent
  3. prodigial
  4. precocial
Grade 7 Zoology
What is a young grasshopper called?
  1. nymph
  2. baby grasshopper
Grade 7 Zoology
The study of animals and how they live is
  1. zoology.
  2. biology.
  3. physiology.
  4. botany.
Grade 7 Zoology
What happens to a fish after it spawns?
  1. dies
  2. eats
  3. lives
  4. shrinks
Grade 7 Zoology
What is the smallest sea turtle?
  1. loggerhead
  2. leatherback
  3. Kemp's ridley
  4. green
Grade 7 Zoology
About how many insect species are there?
  1. 1,000
  2. 10,000
  3. 1,000,000
  4. 1,000,000,000
Grade 7 Zoology
Which animal is classified as a fish?
  1. starfish
  2. jellyfish
  3. sea horse
  4. whale
Grade 7 Zoology
Which fins can a fish use to swim backwards or "put on the brakes"?
  1. pectoral fins
  2. caudal fin
  3. dorsal fins
  4. None. Fish cannot swim backwards.
Grade 7 Zoology
Which best describes the structure for gas exchange (breathing) in grasshoppers and other insects?
  1. book lungs, which are modified gills
  2. tracheal system with air sacs that lead into the body
  3. gills with a large surface area to absorb oxygen
  4. oxygen-absorbing skin on the insect legs
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