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Biology Chapter 7Roisin Delaney

Differences in characteristics in organisms.

Interspecific Variation
Differences between different species.

Intraspecific variation
Differences between members of the same species.

The environment and genetics both cause variation.

Genetic differences
Variety in asexual reproducing organisms can only be increased by mutation. Sexually reproducing
organisms, in…

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Biology Chapter 7Roisin Delaney

chart). The larger the sample size the more accurate and more representative it will be, and
statical tests can show it and is relevant.

Types of variation
Continuous Discontinuous
Where there is a range of characteristics from Limit options for characteristics
one extreme to another.


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