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Biology Unit 2 Chapter 7
Investigating variation
If one species differs from another it is known as interspecific variation and if members of same
species differ from one another it is known as intraspecific variation.

Samples are taken to make measurements; it involves measurements of individuals, selected from
the population…

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other, however if it's in a place where there is poor light and low soil nitrogen it would be
short as it won't be able to grow properly.

Variation is due to mixture of genetic differences and environmental influences combined. Its hard to
distinguish the effect of many genetic differences…

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