Variation Flashcards
1
Q
What are the two types of variation?
A
Interspecific - differences between organisms of different species
Intraspecific - differences between organisms of the same species
2
Q
What are the two causes of variation?
A
genetic and environmental
3
Q
Name 4 ways in which genetic variation occurs?
A
mutation, different alleles, sexual reproduction and meiosis
4
Q
Give an example of how environment causes variation?
A
two rose bushes planted in same garden, one in sun, one not, the one in sun will grow much bigger than one not in sun
5
Q
What is continuous variation?
A
no distinct categories, measured with a number (quantifiable) e.g. height
6
Q
What is discontinuous variation?
A
distinct categories that are separate, e.g. blood group
