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What does it mean?

Variation means the differences between living things.

Investigating Variation

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.


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


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