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Inheritance
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What is evolution?
Development of a species over time.
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Name 2 organisms that have become extinct.
Dinosaur and Dodo
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What is inherited variation?
Variation from the characteristics people have inherited from their parents
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Give one example for the destruction of habitat that can cause the extinction of a species
deforestation
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The term used when no more individuals of a species are left anywhere in the world.
Extinction
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How many chromosomes do humans have?
46
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What is DNA?
Chemical that contains all the information needed to make an organism.
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The introduction of new competitors and...... can cause extinction.
Predators
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What is the term used for a species that only have a small population in the world left?
Endangered
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Climate change is an example of what type of change that could cause extinction?
Environmental change
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What is the term used for the range of organisms living in an area?
Biodiversity
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What is the term used for differences in characteristics within a species?
Variation
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What is a chromosome?
Long strand of DNA, which contains many genes.
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A species in the UK that was evidence for natural selection.
Peppered moth
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What is the term used for variations caused y surroundings e.g. diet or lifestyle.
Environmental variation
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The term used for the remains of plants and animals that have turned to stone.
Fossil
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What genetic material do we inherit characteristics from our parents through?
DNA (Deoxyribonucleic Acid)
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What is a gene?
Section of DNA that contains the information for a characteristic.
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Process by which the organisms with the characteristics that are most suited to the environment survive and reproduce, passing on their genes.
natural selection
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How is genetic material inherited?
Fertilisation (egg & sperm 23 chromosomes each)
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What is the term for organisms that have lots of characteristics in common, and can mate to produce fertile offspring.
Species
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