variation with a species

Question 1

what is variation?

Answer 1

differences between individuals of the same species

Question 2

what can variation be?

Answer 2

either continuous or discontinuous

Question 3

what does continuous variation give?

Answer 3

a range of phenotypes that fall on a quantitative scale e.g. height in trees

Question 4

what does discontinuous variation give?

Answer 4

phenotypes that fall into distinct groups

Question 5

what can variation be caused by?

Answer 5

genetic factors and environmental factors

Question 6

what is variation the result of?

Answer 6

genetic and environmental factors acting on the phenotype

Question 7

what is continuous variation caused by?

Answer 7

a combination of genetic and environmental factors

Question 8

what is discontinuous variation caused by?

Answer 8

genetic factors alone

Question 9

how can variation be investigated?

Answer 9

by measuring the frequency of different characteristics in a population

Question 10

what can the frequency of continuous traits be plotted on?

Answer 10

a histogram