Question

You are a botanist working on a species of Lily. You are attempting to measure a certain inherited trait. In order to rule out Environmental Variation, you should keep all of the following factors constant except:_______

A. Temperature
B. Amount of sunlight
C. Amount of water
D. Type of bee carrying the pollen

Answer 1

D. Type of bee carrying the pollen

Step-by-step explanation:

Remember, Lilies are aquatic plants, so in order to rule out Environmental Variation, that is, differences in environment, we are to make constant all the environmental factors which include the options;

• Temperature
• Amount of sunlight
• Amount of water

However, the none environmental factor which is the type of bee carrying the pollen is exempted.