Introduction to Evolutionary Biology and Ecology - Unit 3: Determine if the examples below (I through III) are due to the effects of the environmen...

Question

Determine if the examples below (I through III) are due to the effects of the environment on phenotypic plasticity or evolutionary change. I. An individual Common Ice Plant has the ability to change from C3 photosynthesis to CAM photosynthesis when it becomes stressed by low water or high salinity. II. When plants become too dense and competition is high, some Aphid species grow wings between generations to enable dispersion, and then the next generation is without wings. III. Bats are able to fly with wings that are paws with really long fingers and skin stretched between them; one way this could happen is if these finger bones grew at a faster rate than the rest of the body.

AnswerChoose the correct answer.Choose all that apply. Correct Partially correct Incorrect Don't Know

  1. A
    Correct Answer
    I = plastic phenotype, II = phenotypic plasticity, III = evolutionary change
  2. B
    Correct Answer
    I = plastic phenotype, II = evolutionary change, III = evolutionary change
  3. C
    Correct Answer
    I = evolutionary change, II = evolutionary change, III = plastic phenotype
  4. D
    Correct Answer
    I = evolutionary change, II = plastic phenotype, III = plastic phenotype
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