Quiz - Natural Selection, Taxonomy, & Dichotomous Keys
  • 1. Small changes over time that add up to big differences are referred to as what?
A) natural selection
B) selective breeding
C) evolution
D) extinction
  • 2. A species could go extinct if:
A) members of the species have adaptations to enhance survival.
B) if the environment changes drastically and no one can adapt.
C) there is less competition for resources.
D) food becomes more plentiful.
  • 3. Darwin's first observations of natural selections involved:
A) birds
B) moths
C) peas
D) dogs
  • 4. Natural selection will still occur if each individual has the same exact traits.
A) True
B) False
  • 5. Differences in traits are called what?
A) artificial intelligence
B) selective breeding
C) genetic variation
D) natural selection
  • 6. When there's a mistake in copying genes, that is called what?
A) mutation
B) variation
C) competition
D) selection
  • 7. The fittest individuals in a population:
A) are least likely to survive
B) have the smallest chance of reproducing.
C) will be the ones passing their DNA on to future generations
D) do not have adaptations that help them survive.
  • 8. A variation in a population is caused by:
A) just mutations
B) just sexual reproduction
C) neither mutation or sexual reproduction
D) Both, mutations & sexual reproductions
  • 9. Who is the English, naturalist who studied plants and animals and created an evolution theory?
A) Gregory Mendel
B) Isaac Newton
C) Albert Newton
D) Charles Darwin
  • 10. A process by which favorable traits tend to increase in frequency over time is called:
A) variation
B) evolution
C) changes over time
D) natural selection
  • 11. What is an inherited trait that increases an organism’s chance of surviving and reproducing?
A) natural selection
B) adaptation
C) evolution
D) variation
  • 12. Which is NOT a cause for extinction?
A) introduction of a predator
B) variation in population
C) rapid environmental changes
D) failure to adapt to the environment
  • 13. What causes the environment to change and adapt to hurt the species?
A) extinction
B) natural selection
C) evolution
D) isolation
  • 14. What is the number one goal of an organism?
A) be famous
B) survive and reproduce
C) help others
D) make money
  • 15. How does a lizard's camouflage help it to survive?
A) a clearer view of the environment
B) makes it harder to see by predators
C) sharpens hearing
D) creates better balance
  • 16. According to Darwin, why did the Galapagos finches have different beaks?
A) feeding habits and diet
B) differences in defences
C) genetic mutation
D) difference in flight patterns
  • 17. A method of breeding that only allows organisms with desired traits to produce the next generation is called what?
A) genetic engineering
B) selective breeding
C) hybridization
D) selective engineering
  • 18. Which reason do humans give for not using the selective breeding method?
A) to clone plants, animals, and animals
B) to increase animal productivity
C) to make animals better hunters
D) to increase a plants productivity
  • 19. What was the first animal to be selectively bred?
A) birds
B) cows
C) cats
D) dogs
  • 20. Out of the following, which trait would be the least useful for a cow?
A) to be mean and fierce
B) to survive in hot conditions
C) to produce lots of milk
D) to have muscles
  • 21. Two animals can be bred together as long as:
A) they look similar
B) they belong to the same species
C) they belong to the same kingdom
D) they belong to the same genus
  • 22. Which is the correct order for the process of selective breeding?
A) select parents/ mate/ choose offspring /mate offspring
B) mate /select parents /choose offspring /mate offspring
C) select offspring /mate /select parents
  • 23. An animal's color or pattern that helps it blend into its surroundings to avoid being seen is called:
A) adaptation
B) camouflage
C) mimicking
D) hiding
  • 24. When food is scarce in an environment, animals TRAVEL to different habitats. This is called what?
A) hibernation
B) migrating
C) sharing
D) physical change
  • 25. Species than cannot adapt to changes in their environment must _____ or die.
A) sleep
B) hibernate
C) complain
D) move
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