Dictionary » F » Fertility Rate

Fertility Rate

The ratio of live births in an area to the population of that area; expressed per 1000 population per year.


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Re: Can you think of an evolutionary reason for this?

I'm reading an article on the growing rate of early puberty amongst girls, here's an excerpt: "Girls who from an early ... for the first one: the presence of a biological father would prevent early fertility simply because it might not actually lead to greater fitness (complications ...

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by Cat
Fri Sep 28, 2012 3:12 pm
 
Forum: Evolution
Topic: Can you think of an evolutionary reason for this?
Replies: 8
Views: 5779

Can you think of an evolutionary reason for this?

I'm reading an article on the growing rate of early puberty amongst girls, here's an excerpt: "Girls who from an early ... for the first one: the presence of a biological father would prevent early fertility simply because it might not actually lead to greater fitness (complications ...

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by immunogoblin
Sun Aug 26, 2012 4:43 pm
 
Forum: Evolution
Topic: Can you think of an evolutionary reason for this?
Replies: 8
Views: 5779

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... of relatively lower anthropomorphic measurements, blacks still demonstrated larger brain volume. Other physical Anthropological research has shown ... Definition from: University of Michigan comprehensive Cancer Center; Fertility & Cryopreservation Glossary. With this in mind; employing elementary ...

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by bluecafe669
Tue Apr 15, 2008 12:50 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263416

population ecology

I cannot understand the difference between fertility fecundity "natality rate" "fertility rate" and "birth rate". Can anyone help me? Thanks

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by ajs
Tue Jan 29, 2008 8:07 pm
 
Forum: Ecology
Topic: population ecology
Replies: 0
Views: 3538

Did death evolve?

... an idea related to death - aging and the gradual loss of function (e.g. fertility) is a part of evolutionary fitness. a species as a whole might ... be a result of a population reaching carrying capacity. The mortality rate increases as more organisms vie for the resources. 3. Death recycles ...

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by jimmystang
Tue Jan 02, 2007 11:13 pm
 
Forum: Ecology
Topic: Did death evolve?
Replies: 114
Views: 81182
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