Biology Forums - Study Force

The ranges of black bears and brown bears overlap. However, black bears spend most of their time in
  the woods and brown bears spend most of their time along the river. Which of the following best
  describes why black and brown bears do not interbreed?
  a. environmental isolation
  b. biological isolation
  c. evolutionary isolation
  d. habitat isolation
  e. temporal isolation

Question 2

The prevention of genetic exchange between two species because they reproduce at different times of
  the day or year is called:a.
   hybrid sterility.
  b. genetic isolation.
  c. sexual isolation.
  d. mechanical isolation.
  e. temporal isolation

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Amazing, correctly answered