Answer to Dictation 1
The number of children a woman has might affect her rate of ageing.
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Answer to Dictation 2
Women who had five children or more or no children aged faster.
Go to Dictation 3
Answer to Dictation 3
Organisms have limited resources such as time and energy.
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Answer to Dictation 4
When a large amount of energy is invested in reproduction.
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Answer to Dictation 5
The finding of shorter lifespans of women who never gave birth was surprising.
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Answer to Dictation 6
The researchers used historical data in their analysis of parenthood and ageing.
Go to Dictation 7
Answer to Dictation 7
Modelled the effects of reproduction on women's rates of ageing and longevity.
Go to Dictation 8
Answer to Dictation 8
One benefit is a possible lower risk of breast and ovarian cancer.
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Answer to Dictation 9
Wear and tear and physical demands of multiple childbirths can negate this.
Go to Dictation 10
Answer to Dictation 10
Social support a mother receives from the state for having children.
See the having children and lifespan lesson for the whole text.
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