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| A feature that helps an organism to survive in its habit |
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| When people select organisms with useful characteristics to breed from them |
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| the wide range of living organisms that exists |
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| The threadlike structures that carry genes found in the nuclei cell |
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| The chemical that makes up genes and chromosomes |
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| The variation in organisms caused by environmental factors such as diet |
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| Regulate all chemical reaction that takes place in cells |
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| A gradual change in species, usually over a long period of time; which may result in a new species being formed |
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| simple organisms, some of which cause diseases; others are useful to us |
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| The unit of inheritance that codes for a specific protein; made of DNA |
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| The variation in organisms that are controlled by genes (also called genetic variation) |
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| When the organisms best suited to their environment survive and breed, and those less suited to their environment die out |
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| The structure that contains instructions to control the cell |
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| When humans select organisms with desirable characteristics and breed from them |
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| One particular type of organisms; organisms of the same species can interbreed to produce fertile offspring |
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| When organisms with adaptations most suited to the environment survive and breed |
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| There is a wide range of different alleles, phenotype, and genotypes causing genetic variation |
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| When the last member of species has died |
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| Store of tissue or cell samples from endangered animals |
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Definition
| A feature that can be measured and given a value from a range of values e.g; height, intelligence, skin colour, weight |
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Definition
| A feature that cannot be measured but it is one of few distinct options e.g: rolling tongue, blood type, eye colour |
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