Regents Prep: Living Environment
Multiple-Choice Questions
  Question 2 of 4   Mutations
The concept that new varieties of organisms are still evolving is best supported by the


 1.  increasing need for new antibiotics

 2.  increasing number of individuals in the human population

 3.  decreasing number of new fossils discovered in undisturbed rock layers

 4.  decreasing activity of photosynthetic organisms due to warming of the atmosphere

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