Inheritance, Variation + Evolution: Variation

Question 1

What is variation

Answer 1

Differences in individuals of the same species due to genetic or environmental factors

Question 2

What is genetic variation

Answer 2

Variation (differences) due to genetics such as eye colour

Question 3

What is environmental variation

Answer 3

Variation (differences) in a population due to environmental factors such as individuals with faster legs catch prey first and so survive longer so more offspring with fast leg trait

Question 4

What are variation caused by a combination of genetic and environmental factors

Answer 4

Variation (differences) in a population caused by an interaction of genetics and the environment such as weight
For example a person can be born from obese parents so be genetically overweight (genetic factor) but may not eat properly and exercise a lot( environmental factor) so become underweight