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Contents
Variation
What is variation?
Causes of variation
Classifying variation
Investigating variation
Variation quiz
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Variation between species
Variety is the spice of life!
Variation is the differences between different living things.
How many differences between living things can you name?
What causes the differences between species?
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Variation between species
Species are different because their genes are different.
Genes are the biological code for different characteristics.
Humans have human genes.
Bananas have banana genes.
Gerbils have (yes, you've guessed it) gerbil genes!
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Variation within species
The current population of planet Earth is more than
6 thousand million people!
No two people are exactly the same. How is this possible?
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Variation within species
Members of the same species also show variation.
These differences are called characteristics.
How many human characteristics can you think of that
show variation?
What causes each person's unique characteristics?
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