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