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Variation:
within a species means that a group of successful…
Variation:
within a species means that a group of successful interbreeding organisms the individual members show different characteristics
variation:
Acquired variation: are not inherited but are learned or developed during life. Examples: ride a bicycle or use computer
Inherited variation: are controlled by genes. Examples: eye/ear/hair colour. Which is caused by result of sexual reproduction and mutations
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Species:
Variation within species: All living humans are members of the same species. Example: hair colour, skin colour and height.
is a group of similar organisms that are capable of naturally interbreeding with each other to produce fertile offspring.
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Mutations:
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Mutations:
New alleles/ Beneficial phenotypes/ No noticeable effects (no phenotype change)/ Genetic defects in the spring.
Mutagens
Include some types of radiation, some chemicals and some viruses.
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Evolution:
is the way in which genetic changes produce different types of organisms over long periods of time.
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Fossils:
Fossils can be formed as: entire organism, preserved parts, seeds, pollen grains, imprints.
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