Variation Flashcards

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1
Q

what does variation mean?

A

the differences between individuals of the same species

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2
Q
A
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3
Q

What is the basis of evolution?

A

Heritable variation

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4
Q

What are variations the result of?

A

. genetic information
. the enviroment

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5
Q

what are most variations caused by?

A

a combination of genes and the surrounding enviroment

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6
Q

what is plant growth more affected by?

A

the enviroment rather than genes

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7
Q

what enviromental factors could plant growth be affected by?

A

. availability/ competition for water, light, minerals
. air or soil temprature
. aspect of a slope, e.g a south facing slop would get more sunlight = more growth

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8
Q

what are the types of variation ?

A

continous variation
and discontinous variation

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9
Q

what is continous variation?

A

when it’s controlled by more than one set of genes , on a graph it would show a normal distribution

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10
Q

what is discontinous variation?

A

controlled by one set of genes and when grpahed it’s shown in distinct groups

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