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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) selective breeding
B) evolution
C) extinction
D) natural selection
  • 2. A species could go extinct if:
A) members of the species have adaptations to enhance survival.
B) food becomes more plentiful.
C) there is less competition for resources.
D) if the environment changes drastically and no one can adapt.
  • 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) 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) mutation
B) selection
C) variation
D) competition
  • 7. The fittest individuals in a population:
A) do not have adaptations that help them survive.
B) are least likely to 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) 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) natural selection
B) variation
C) evolution
D) changes over time
  • 11. What is an inherited trait that increases an organism’s chance of surviving and reproducing?
A) natural selection
B) evolution
C) variation
D) adaptation
  • 12. Which is NOT a cause for extinction?
A) introduction of a predator
B) variation in population
C) failure to adapt to the environment
D) rapid environmental changes
  • 13. What causes the environment to change and adapt to hurt the species?
A) evolution
B) natural selection
C) extinction
D) isolation
  • 14. What is the number one goal of an organism?
A) survive and reproduce
B) make money
C) be famous
D) help others
  • 15. How does a lizard's camouflage help it to survive?
A) makes it harder to see by predators
B) creates better balance
C) a clearer view of the environment
D) sharpens hearing
  • 16. According to Darwin, why did the Galapagos finches have different beaks?
A) difference in flight patterns
B) genetic mutation
C) differences in defences
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 engineering
B) selective breeding
C) genetic engineering
D) hybridization
  • 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) cats
B) cows
C) birds
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 belong to the same genus
B) they belong to the same species
C) they look similar
D) they belong to the same kingdom
  • 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) mimicking
B) camouflage
C) adaptation
D) hiding
  • 24. When food is scarce in an environment, animals TRAVEL to different habitats. This is called what?
A) sharing
B) migrating
C) physical change
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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