TLS Online TPP Program

#Question id: 3418


Which of the best explanation of directional natural selection occur by change in environmental condition?

A. Increase in the frequency of dark-colored mutants in polluted areas, became known as industrial melanism

B. Numerous insect pests become resistant to insecticides and numerous bacteria become resistant to antibiotics.

C. A plant that is too short may not be able to compete with other plants for sunlight. However, extremely tall plants may be more susceptible to wind damage

D- Beetles move into a new environment with patches of light-green moss and dark-green shrubs, both light and dark beetles might be better hidden (and survive better) than medium-green beetles

#Unit 11. Evolution and Behavior
  1. A, B        

  2. B, C         

  3. C, D 

  4. A, D