Natural Selection Flashcards

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1
Q

How do we know the population isn’t the same

A

Individuals in a population shows genetic variation because of their different alleles. You can get new alleles through mutation

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2
Q

What are the selection pressures

A

Predation, competition for recourses ( e.g. food, water, mates.
These affects the chances of organisms surfing and reproducing

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3
Q

What is needed to create make them better adapted

A

Desirable characteristics makes them better adapted to the selection pressures in their enviroment
With this, they will have a better chance of surviving, making them breed successfully

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4
Q

What’s responsible for the useful characteristics

A

The alleles are responsible as they are most likely to be passed down to the next generation

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5
Q

Are all individuals well adapted

A

No, some individuals will be less adapted in their environment.
This means that they will make them less able to compare and less likely to survive and reproduce

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6
Q

What will happen with the population overtime?

A

The beneficial characteristics will become more common in the population overtime

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