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Seventh Grade (Grade 7) Zoology Questions

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Grade 7 Zoology
What is the purpose of a swim bladder?
  1. keep fish upright while swimming
  2. help fish float at a constant depth
  3. help the fish move faster in the water
  4. change the direction a fish swims
Grade 7 Zoology
                are viviparous.
  1. Fish
  2. Amphibians
  3. Mammals
  4. Reptiles
Grade 7 Zoology
Heartworm is a disease in dogs and cats. It is caused by a(n)
  1. nematode.
  2. arthropod.
  3. annelid.
  4. mollusk.
Grade 7 Zoology
The only group of parasitic annelids are the
  1. earthworms.
  2. blood flukes.
  3. tapeworms.
  4. leeches.
Grade 7 Zoology
When a worm is described as "segmented" that means
  1. the worm can be cut into segments and each segment will survive.
  2. the worm's body is made of a pattern of repeating body units.
  3. the worm lives in house segments that it makes for itself.
  4. all of the above
Grade 7 Zoology
Dinoflagellates are a type of fungus.
  1. True
  2. False
Grade 7 Zoology
What is the radula?
  1. muscular foot that is sometimes divided into tentacles
  2. antennae of a snail
  3. rasping set of teeth for scraping food
  4. water jet used by squid and octopus to move
Grade 7 Zoology
Research shows that parasites such as hookworms                                                      .
  1. may be good for improving your immune system
  2. may be bad for your immune system
  3. cause autoimmune diseases such as allergies and lupus
  4. do not have any effect on the immune system of humans
Grade 7 Zoology
In which type of water can sponges be found?
  1. fresh water
  2. salt water
  3. both
Grade 7 Zoology
Birds' use of thermals to gain altitude without expending energy is
  1. soaring.
  2. hovering.
  3. powered flight.
  4. gliding.
Grade 7 Zoology
To allow chicks to develop properly, eggs must be kept warm through which process?
  1. germinal spot
  2. fertilization
  3. incubation
  4. germination
Grade 7 Zoology
What structure covers the gills of a fish?
  1. pharyngeal gill slit
  2. operculum
  3. pectoral cover
  4. ears
Grade 7 Zoology
What is the role of the swim bladder in a fish?
  1. allows the fish to breathe without having to swim
  2. stores oxygen that supports the fins
  3. allows the fish to control how deep or shallow it swims
  4. stores urine before the fish releases it into the water
Grade 7 Zoology
What is a notochord?
  1. dorsal nerve cord
  2. ligament that hold the bones together
  3. vocal cords in the throat of all chordates
  4. rod made of cartilage that supports the shape of the animal
Grade 7 Zoology
All roundworms are parasitic.
  1. True
  2. False
Grade 7 Zoology
Humans belong in the phylum Chordata.
  1. True
  2. False
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