Reading the mechanisms back

Exercise and reference answers

Questions

1. Question

   Variation leads to variable

   Choices

   1. fitness
   2. habitat
   3. climate

   Correct choice

   fitness

2. Question

   Which process is driven by chance?

   Choices

   1. natural selection
   2. genetic drift
   3. homology

   Correct choice

   genetic drift

3. Question

   Which is Darwin's mechanism?

   Choices

   1. genetic drift
   2. fragmentation
   3. natural selection

   Correct choice

   natural selection

Explanation