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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) evolution
B) selective breeding
C) extinction
D) natural selection
  • 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) dogs
B) peas
C) birds
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) genetic variation
B) selective breeding
C) natural selection
D) artificial intelligence
  • 6. When there's a mistake in copying genes, that is called what?
A) selection
B) competition
C) variation
D) mutation
  • 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) are least likely to survive
D) do not have adaptations that help them survive.
  • 8. A variation in a population is caused by:
A) Both, mutations & sexual reproductions
B) neither mutation or sexual reproduction
C) just sexual reproduction
D) just mutations
  • 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) natural selection
B) changes over time
C) variation
D) evolution
  • 11. What is an inherited trait that increases an organism’s chance of surviving and reproducing?
A) natural selection
B) variation
C) adaptation
D) evolution
  • 12. Which is NOT a cause for extinction?
A) failure to adapt to the environment
B) variation in population
C) introduction of a predator
D) rapid environmental changes
  • 13. What causes the environment to change and adapt to hurt the species?
A) isolation
B) natural selection
C) extinction
D) evolution
  • 14. What is the number one goal of an organism?
A) be famous
B) make money
C) help others
D) survive and reproduce
  • 15. How does a lizard's camouflage help it to survive?
A) a clearer view of the environment
B) sharpens hearing
C) makes it harder to see by predators
D) creates better balance
  • 16. According to Darwin, why did the Galapagos finches have different beaks?
A) genetic mutation
B) feeding habits and diet
C) differences in defences
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 breeding
B) hybridization
C) genetic engineering
D) selective engineering
  • 18. Which reason do humans give for not using the selective breeding method?
A) to increase a plants productivity
B) to make animals better hunters
C) to increase animal productivity
D) to clone plants, animals, and animals
  • 19. What was the first animal to be selectively bred?
A) cats
B) dogs
C) birds
D) cows
  • 20. Out of the following, which trait would be the least useful for a cow?
A) to have muscles
B) to produce lots of milk
C) to be mean and fierce
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 belong to the same species
D) they look similar
  • 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) adaptation
B) hiding
C) camouflage
D) mimicking
  • 24. When food is scarce in an environment, animals TRAVEL to different habitats. This is called what?
A) migrating
B) sharing
C) hibernation
D) physical change
  • 25. Species than cannot adapt to changes in their environment must _____ or die.
A) sleep
B) move
C) complain
D) hibernate
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