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