Variation in some classmates:
Name Gender Eye colour Taste PTC (Y/N) Shoe size
Robyn F blue Y 6
Sian F green N 6
Sarah F green Y 5
Mia F green Y 5
Elle F blue Y 5
Interspecific- differences between DIFFERENT species (e.g dog and cat)
Intraspecific – differences between INDIVIDUALS of the same species (e.g poodle and yorkie)
Note:
Sampling Bias- researcher may be making unrepresentative choices deliberately or accidentally
Chance- you may by chance get unrepresentative data. E.g may choose all the daisies that are tall.
Name Gender Eye colour Taste PTC (Y/N) Shoe size
Robyn F blue Y 6
Sian F green N 6
Sarah F green Y 5
Mia F green Y 5
Elle F blue Y 5
Interspecific- differences between DIFFERENT species (e.g dog and cat)
Intraspecific – differences between INDIVIDUALS of the same species (e.g poodle and yorkie)
Note:
- Even clones can differ- if they have different environments it causes variation.
- Genetic differences- discrete (categoric), use bar chart to show data
- Environmental influences (continuous), use a line graph to show data
- Means are influenced by extreme values
Sampling Bias- researcher may be making unrepresentative choices deliberately or accidentally
Chance- you may by chance get unrepresentative data. E.g may choose all the daisies that are tall.
Sexual reproduction
|
Asexual reproduction
|