True or false: variation and fitness

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Variations in a population result in variable fitness.

2. Statement is true

   Yes

   Statement

   Genetic drift can accentuate those variations.

3. Statement is true

   Yes

   Statement

   Habitat fragmentation can accentuate them too.

4. Statement is true

   No

   Statement

   All members of a population have identical fitness.

5. Statement is true

   Yes

   Statement

   New species can appear as a result of these processes.

Explanation