Question 3: Phenotype and Environment (11 points)

a) Describe the relationship between genotype, phenotype, and environment. (3 points)

b) Explain each scenario below in terms of how it provides evidence of environmental influence on phenotype. (6 points)

• Seeds from the same oak tree are carried by the wind to different locations. Trees that grow from the seeds vary in height and trunk diameter.
• One group of turtle eggs hatches with a 9:1 ratio of females to males, and another group of turtle eggs in another location produces all male hatchlings.
• Bacteria in a solution with lactose have one set of enzymes in their cytosol while bacteria in a solution of glucose have a different set.

c) Explain the advantage to organisms of having phenotypes that are influenced by the environment. (2 points)