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Ninth Grade (Grade 9) Zoology Questions

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Grade 9 Zoology
Which group of organisms are free floating or weakly swimming?
  1. benthos
  2. fish
  3. nekton
  4. plankton
Grade 9 Zoology
Gastropods have two shells.
  1. True
  2. False
Grade 9 Zoology
Hydra reproduces asexually.
  1. True
  2. False
Grade 9 Zoology
Sea stars, lobsters, and mussels are examples of
  1. benthos.
  2. decomposers.
  3. nekton.
  4. plankton.
Grade 9 Zoology
Which statement correctly differentiates insects from crustaceans?
  1. Insects have one pair of antennae, and crustaceans have two.
  2. Insects shed their exoskeletons, and crustaceans keep theirs for life.
  3. Insects use their wings to fly, and crustaceans use their wings to swim.
  4. Insects have large claws for defense, and crustaceans have small claws for mating.
Grade 9 Zoology
Lizards tend to consume
  1. insects.
  2. vegetables.
  3. small animals.
  4. all of the above.
Grade 9 Zoology
An example of a chelicerate is a
  1. lobster.
  2. centipede.
  3. crayfish.
  4. spider.
Grade 9 Zoology
What group of animals has 10 legs?
  1. arachnids
  2. crustaceans
  3. insects
  4. myriapods
Grade 9 Zoology
Which characteristic does NOT occur in most animals?
  1. They are consumers.
  2. They have a number of body systems.
  3. They are able to move from place to place.
  4. They may be invertebrates but never vertebrates.
Grade 9 Zoology
Fish, whales, and sea turtles are examples of
  1. benthos.
  2. decomposers.
  3. nekton.
  4. plankton.
Grade 9 Zoology
Cnidarians are carnivores.
  1. True
  2. False
Grade 9 Zoology
Which animals lays eggs with a shell?
  1. only reptiles
  2. only amphibians
  3. both
  4. neither
Grade 9 Zoology
Which group of animals contains the largest number of species?
  1. annelids
  2. arthropods
  3. polychaetes
  4. rotifers
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