Quiz - Natural Selection, Taxonomy, & Dichotomous Keys
  • 1. Small changes over time that add up to big differences are referred to as what?
A) selective breeding
B) evolution
C) natural selection
D) extinction
  • 2. A species could go extinct if:
A) if the environment changes drastically and no one can adapt.
B) there is less competition for resources.
C) members of the species have adaptations to enhance survival.
D) food becomes more plentiful.
  • 3. Darwin's first observations of natural selections involved:
A) peas
B) birds
C) moths
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) selective breeding
C) genetic variation
D) artificial intelligence
  • 6. When there's a mistake in copying genes, that is called what?
A) mutation
B) variation
C) selection
D) competition
  • 7. The fittest individuals in a population:
A) will be the ones passing their DNA on to future generations
B) have the smallest chance of reproducing.
C) do not have adaptations that help them survive.
D) are least likely to survive
  • 8. A variation in a population is caused by:
A) just sexual reproduction
B) Both, mutations & sexual reproductions
C) just mutations
D) neither mutation or sexual reproduction
  • 9. Who is the English, naturalist who studied plants and animals and created an evolution theory?
A) Gregory Mendel
B) Albert Newton
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) evolution
B) adaptation
C) natural selection
D) variation
  • 12. Which is NOT a cause for extinction?
A) rapid environmental changes
B) introduction of a predator
C) variation in population
D) failure to adapt to the environment
  • 13. What causes the environment to change and adapt to hurt the species?
A) isolation
B) evolution
C) extinction
D) natural selection
  • 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) creates better balance
C) makes it harder to see by predators
D) sharpens hearing
  • 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) selective breeding
B) genetic engineering
C) selective engineering
D) hybridization
  • 18. Which reason do humans give for not using the selective breeding method?
A) to make animals better hunters
B) to clone plants, animals, and animals
C) to increase a plants productivity
D) to increase animal productivity
  • 19. What was the first animal to be selectively bred?
A) cows
B) cats
C) dogs
D) birds
  • 20. Out of the following, which trait would be the least useful for a cow?
A) to survive in hot conditions
B) to have muscles
C) to be mean and fierce
D) to produce lots of milk
  • 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) mimicking
B) adaptation
C) camouflage
D) hiding
  • 24. When food is scarce in an environment, animals TRAVEL to different habitats. This is called what?
A) migrating
B) physical change
C) hibernation
D) sharing
  • 25. Species than cannot adapt to changes in their environment must _____ or die.
A) hibernate
B) move
C) sleep
D) complain
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