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Variation
What does it mean?

Variation means the differences between living things.

Investigating Variation
Sampling:

Sampling involved taking a selection of individuals from the target population (the population
being investigated). These individuals will represent the population as a whole.

Problems with Sampling:

Sampling Bias: The selection process may be biased.…

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Types of variation
Variation exists in tow basic forms:

1. Variation between different species is interspecific variation
2. Variation between members of the same species is intraspecific variation

Intraspecific variation can be either continuous or discontinuous.

Discontinuous:

Features fall into one category or another like blood group.
Controlled by a…

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