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Seventh Grade (Grade 7) Zoology Questions

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Grade 7 Zoology
How does the sea star move?
  1. It floats.
  2. It swims.
  3. It has arms that move the animal around on the ocean floor.
  4. It moves water from the vascular system into tube feet to expand and move.
Grade 7 Zoology
Organisms that cannot be cut into equal halves are
  1. environment.
  2. terrestrial.
  3. symmetrical.
  4. asymmetrical.
Grade 7 Zoology
An orca is not a whale.
  1. True
  2. False
Grade 7 Zoology
Which distinguishing characteristic occurs in birds?
  1. scales
  2. fins
  3. fur
  4. feathers
Grade 7 Zoology
Unlike flatworms, roundworms (the nematodes) have
  1. a complete digestive system with a mouth and an anus.
  2. a rounded body with a body cavity that holds internal organs.
  3. a simple nervous system with a primitive brain.
  4. all of the above
Grade 7 Zoology
Organisms that can be cut multiple ways to create mirror halves have
  1. radial symmetry.
  2. terrestrial.
  3. no symmetry.
  4. asymmetry.
Grade 7 Zoology
All fish are ectotherms.
  1. True
  2. False
Grade 7 Zoology
Birds (class Aves) usually reproduce through
  1. external fertilization.
  2. internal fertilization.
  3. binary fission.
  4. none of the above
Grade 7 Zoology
The mouth of a squid has                            .
  1. a parrot-like beak
  2. suction cups
  3. teeth set in a circular jaw
  4. two jaws with teeth
Grade 7 Zoology
Starfish have a ring canal connected to radial canals going through each arm of the animal. This network of canals is the
  1. digestive system.
  2. circulatory system.
  3. water vascular system.
  4. respiratory system.
Grade 7 Zoology
An entomologist is a scientist who studies
  1. entities.
  2. morphology.
  3. insects.
  4. birds.
Grade 7 Zoology
How does the sea star reproduce?
  1. It is slow growing and produces up to 100 eggs per adult female.
  2. It is fast growing and produces up to 20 million eggs per adult female.
  3. Males and females produce five thousand spores at a time.
  4. It fragments into several buddings each year that develop into offspring.
Grade 7 Zoology
Most fish are completely ectothermic, which means they
  1. fertilize externally.
  2. never sleep.
  3. are warm-blooded.
  4. are cold-blooded.
Grade 7 Zoology
The word for salmon reproduction is
  1. breeding.
  2. migration.
  3. spawning.
  4. swimming.
Grade 7 Zoology
Unlike the eggs of fish and amphibians, the eggs of reptiles
  1. are fertilized externally.
  2. hatch into larvae.
  3. are fertilized internally.
  4. have no shell.
Grade 7 Zoology
Which is NOT a type of mollusk?
  1. gastropod
  2. nematode
  3. cephalopod
  4. bivalve
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