Variation Flashcards
What is variation?
The differences between organisms
What is variation between species caused by?
Differences in their genes
What are differences in the same species caused by?
Its caused by differences in their genes and environment
What can be inherited or environmental?
characteristic features
How can variation between a species be split up?
continuous or discontinuous variation
What is continuous variation ?
describes a feature that can have any value
What are some examples of continuous variation?
height, weight, intelligence
What is selective breeding?
Choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics
What is natural selection
A mechanism of evolution
What is discontinuous variation?
which have a limited number of possible values
Examples of discontinuous variation?
Blood group, eye colour
