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Quiz - Natural Selection, Taxonomy, & Dichotomous Keys
Contributed by: yasmine
  • 1. Small changes over time that add up to big differences are referred to as what?
A) natural selection
B) extinction
C) evolution
D) selective breeding
  • 2. A species could go extinct if:
A) food becomes more plentiful.
B) if the environment changes drastically and no one can adapt.
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) peas
C) dogs
D) moths
  • 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) selective breeding
B) artificial intelligence
C) genetic variation
D) natural selection
  • 6. When there's a mistake in copying genes, that is called what?
A) selection
B) mutation
C) variation
D) competition
  • 7. The fittest individuals in a population:
A) have the smallest chance of reproducing.
B) do not have adaptations that help them survive.
C) will be the ones passing their DNA on to future generations
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) Charles Darwin
B) Albert Newton
C) Isaac Newton
D) Gregory Mendel
  • 10. A process by which favorable traits tend to increase in frequency over time is called:
A) changes over time
B) evolution
C) natural selection
D) variation
  • 11. What is an inherited trait that increases an organism’s chance of surviving and reproducing?
A) adaptation
B) variation
C) natural selection
D) evolution
  • 12. Which is NOT a cause for extinction?
A) failure to adapt to the environment
B) rapid environmental changes
C) variation in population
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) help others
B) be famous
C) survive and reproduce
D) make money
  • 15. How does a lizard's camouflage help it to survive?
A) creates better balance
B) sharpens hearing
C) makes it harder to see by predators
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) 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) selective engineering
B) selective breeding
C) hybridization
D) genetic engineering
  • 18. Which reason do humans give for not using the selective breeding method?
A) to clone plants, animals, and animals
B) to increase a plants productivity
C) to make animals better hunters
D) to increase animal productivity
  • 19. What was the first animal to be selectively bred?
A) cows
B) birds
C) dogs
D) cats
  • 20. Out of the following, which trait would be the least useful for a cow?
A) to be mean and fierce
B) to have muscles
C) to produce lots of milk
D) to survive in hot conditions
  • 21. Two animals can be bred together as long as:
A) they belong to the same genus
B) they belong to the same kingdom
C) they look similar
D) they belong to the same species
  • 22. Which is the correct order for the process of selective breeding?
A) select offspring /mate /select parents
B) select parents/ mate/ choose offspring /mate offspring
C) mate /select parents /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) mimicking
C) hiding
D) adaptation
  • 24. When food is scarce in an environment, animals TRAVEL to different habitats. This is called what?
A) sharing
B) hibernation
C) physical change
D) migrating
  • 25. Species than cannot adapt to changes in their environment must _____ or die.
A) move
B) complain
C) sleep
D) hibernate
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