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3.1 Changes over Generations
Con il contributo di: Worthington
  • 1. The apparent change in species over time is called
A) Evolution
B) Natural Selection
C) Adaptation
D) Artificial Selection
E) Mutation
  • 2. The time between the birth of an individual and when that individual produces their own offspring
A) Lifetime
B) Generation
C) Evolution
D) Adaptation
E) Natural Selection
  • 3. Classification of animals into related groups was originally based on
A) Structure
B) Genes
  • 4. Classification of animals into related groups is now based on
A) Structure
B) Genes
  • 5. Characteristics that have the same basic structure
A) Homologous Structure
B) Analogous Structure
  • 6. Structures which look similar but are genetically very different organisms
A) Analogous Structure
B) Homologous Structure
  • 7. Dolphins and Sharks are examples of animals that have
A) Homologous Structure
B) Analogous Structure
  • 8. The process by which we choose to breed particular organisms with desirable features
A) Natural Selection
B) Mutations
C) Evolution
D) Adaptations
E) Artificial Selection
  • 9. Read Page 74 - 75 of your text:

    What are Lupins?
A) a type of gene used in artificial selection
B) a gene that has gone through evolution
C) plants used as animal feed on farms
D) none of these
  • 10. Why was selective breeding used to improve Lupins?
A) all of these
B) animals didn't eat all of the plant
C) they had bitter taste
D) the seed pods shattered making harvesting difficult
  • 11. How did Gladstones start his work -
A) he looked for plants that had the most seeds
B) he looked for plants that animals had eaten more of
C) he looked for the largest most promising plants
D) he looked for mutants that didn't have shattering pods
  • 12. After a plant with non-shattering pods was made - what was still wrong?
A) the seeds were too hard to get out of the pods
B) there were not enough seeds in the pods to make it worthwhile
C) the seeds did not grow fast enough
D) the seeds were bitter - animals didn't like them
  • 13. Why cross the sweet-tasting non-shattering pods with plants that had white flowers?
A) these were more resistant to insecticides
B) these made more plentiful amounts of seeds
C) so you can easily spot the best plant from the others
D) these made the best, sweetest seeds
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