Chapter 2 Science Vocabulary
  • 1. An animal that lives part of its life in water and part on land is a(n)
A) mammal
B) amphibian
C) reptile
D) fish
  • 2. What is an arthropod?
A) an invertebrate that remains anchored to one spot
B) an invertebrate with a spiny skin that lives in the ocean
C) an invertebrate with jointed legs and a body divided into sections
D) an invertebrate that lives inside the body of another animal
  • 3. The only warm-blooded animals with a body covering of feathers are
A) birds
B) fish
C) snakes
D) mammals
  • 4. An organism that is produced by only one parent organism is called a(n)
A) embryo
B) egg
C) seed
D) clone
  • 5. The passing of traits from parents to their offspring is known as
A) behavior
B) instinct
C) heredity
D) cloning
  • 6. A(n) ____________ is any animal that has a backbone.
A) reptile
B) vertebrate
C) mammal
D) invertebrate
  • 7. Insects have a hard ___________ that protects their bodies.
A) spine
B) backbone
C) endoskeleton
D) exoskeleton
  • 8. A lizard is a cold-blooded vertebrate belonging to the ____________ group.
A) mammal
B) reptile
C) amphibian
D) cnidarian
  • 9. Butterflies go through a process of change called
A) life functions
B) metamorphosis
C) cloning
D) heredity
  • 10. A(n) ________________ is an organism's birth, growth, reproduction, and death.
A) metamorphosis
B) behavior
C) life cycle
D) life span
  • 11. What is the length of time an organism is expected to live?
A) life cycle
B) life span
C) metamorphosis
D) childhood
  • 12. The behavior that an organism gains from experience is
A) learned behavior
B) instinct
C) inherited behavior
D) heredity
  • 13. __________________ is the behavior an organism is born with.
A) Inherited behavior
B) Learned behavior
  • 14. A(n) _____________ is a warm-blooded vertebrate with fur or hair. They also produce milk for their young.
A) bird
B) amphibian
C) mammal
D) reptile
  • 15. Animals, such as birds and mammals, that use energy from food to keep a constant body temperature are
A) cold-natured
B) cold-blooded
C) warm-natured
D) warm-blooded
  • 16. Animals, such as fish, amphibians, and reptiles, that cannot control their body temperature are
A) warm-natured
B) cold-natured
C) cold-blooded
D) warm-blooded
  • 17. Corals and jellyfish are examples of _______________. They are animals with armlike parts called tentacles.
A) mollusks
B) echinoderms
C) cnidarians
D) sponges
  • 18. Snails and slugs are the only _____________ that live on land. These invertebrates have a shell that protects their soft bodies.
A) sponges
B) mollusks
C) cnidarians
D) echinoderms
  • 19. ______________ include spiders, ticks, and scorpions. These invertebrates are a type of arthropod.
A) Bugs
B) Crustaceans
C) Arachnids
D) Insects
  • 20. The three main groups of ___________ are flatworms, roundworms, and segmented worms.
A) invertebrates
B) worms
C) vertebrates
D) arthropods
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