darwin’s theory of evolution by natural selection Flashcards

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1
Q

what does the theory of evolution state?

A

organisms have changed over time

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2
Q

what is natural selection?

A

the process by which the change of organisms has occurred by

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3
Q

who was the theory of natural selection proposed by?

A

charles darwin

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4
Q

what must exist for natural selection to occur?

A

variation between the genes of individuals in a population

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5
Q

what is this variation the result of?

A

the result of random mutation which does not occur in response to any factor in the environment

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6
Q

what aids survival?

A

advantageous characteristics

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7
Q

what are surviving individuals more likely to do?

A

reproduce and pass on their advantageous alleles

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8
Q

what happens over many generations to the advantageous allele?

A

the advantageous alleles become more common in the population

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9
Q

what 5 points should you make for a natural selection question?

A

variation
competition
survival
reproduction
alleles are passed on

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