Variation Flashcards
1
Q
Variation
A
Differences in characteristics within a species
2
Q
Species
A
- Organisms that have lost of characteristics in common
- can mate to produce fertile offspring
3
Q
Define genes
A
Biological code for different characteristics
4
Q
Cause of variation: humans
A
- unique sets of genes inherited from parents
- environmental factors which you develop
5
Q
Causes of variation: plants
A
- water
- minerals and nutrients in soil
- temperature
- sunlight
6
Q
Continuous variation
A
- describes characteristics that can change over a range of values
- affected by environmental and inherited factors
- e.g weight, height, shoe size
7
Q
Discontinuous variation
A
- describes variation that can be put into set categories
- affected by inherited factors only
- e.g eye colour, blood group, hair colour
8
Q
How is discontinuous data recorded
A
In bar charts with set categories
9
Q
How is continuous variation recorded
A
In a histogram or line graph
As it has a range of values
