Fault the false isolation claims

Exercise and reference answers

Questions

1. Question

   Three of these statements about isolation and speciation are false.

   Choices

   1. Item

      A mountain causes geographical isolation

      Correct

      Yes

   2. Explanation

      isolation more often leads to two new species forming

      Item

      Isolation always ends in extinction

   3. Explanation

      it happens during fertilisation, not isolation

      Item

      Cortical reaction isolates

   4. Explanation

      it is a type of selection, not of isolation

      Item

      Directional selection is an isolation type

Instructions

Three of these claims about isolation are false. Fault each one.