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Variation means "differences within a species. For example,
consider some of the people in your class:
Ways in which they are the same Ways in which they are different…read more

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Environmental differences
Some of this variation is due to our parents, but some of it is
due to our upbringing and the environment in which we live ­
this is called "Environmental variation".
Variation due to Variation due to Variation due to a bit
inheritance only environment only of both…read more

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The world is populated by millions of different species of
animals and plants...…read more

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Classifying organisms
All organisms are classified into groups. For example:
Plants Animals
Vertebrates Invertebrates
Amphibians Birds Reptiles Fish Mammals…read more


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