Environmental Impact on Phenotype – Post Lesson Practice

Copy and complete the following sentences.

1. The phenotype of an organism is determined by its _________________

and the _________________ in which it grows and develops. (2)

2. Identical twins each have the same / a different genotype but will appear

the same / different when raised in different environments.

Climate , activity and _____________ can affect the development of

humans. (3)

3. Changes in species over a long ___________ period are called

______________. (2)

4. Changes in the __________ caused by the environment are not

passed on to offspring as the ____________ has remained the same.

Changes in the phenotype caused by changes in the genes are passed

on to offspring and so are important / not important in evolution. (3)

Total = 10