Which reproductive isolation mechanism is defined by the prevention of genetic exchange between two species because they reproduce at different times of the day or year?
A) Diurnal isolation B) Sexual isolation C) Annual isolation D) Temporal isolation E) Mechanical isolation
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) Habitat isolation B) Temporal isolation C) Biological isolation D) Evolutionary isolation E) Environmental isolation