AP BIOLOGY

EVOLUTION

SOURCES OF VARIATION IN A POPULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following is an environmental variation?
A
Attached ear lobes
B
Eye colour
C
Male or female
D
Short hair
Explanation: 

Detailed explanation-1: -Environmental Variation For example, environmental variations in humans could be: Hair length-what length you choose to have your hair. Scars-caused by accidents personal to you. Muscle strength-dependent on how much exercise you do.

Detailed explanation-2: -Some variation is the result of differences in the surroundings, or what an individual does. This is called environmental variation.

Detailed explanation-3: -Another example is that of a plant that grows in the shade of a big tree-it will grow taller to reach more light. Other examples of features that show environmental variation include: a scar or accent. flower colour in hydrangeas (these plants produce blue flowers in acidic soil and pink flowers in alkaline soil)

Detailed explanation-4: -Emphasis on safety is not a part of Environmental factor since it is not related directly to the environment.

There is 1 question to complete.