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Population pyramid

population pyramid

(Science: epidemiology) graphical representation of the age and sex composition of a population, constructed by computing the percentage distribution of the population in each age and sex class.


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Re: Surviving cannibals

Question: What type of creature, large or small, could sustain it's population by feeding only on it's dead plus air and water? Living creature, ... one kilogram of John Smith. This is why food chains have the shape of a pyramid when you consider biomass (or energy): it requires a lot of rabbits ...

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by DrD
Sat Jun 28, 2008 8:08 pm
 
Forum: Ecology
Topic: Surviving cannibals
Replies: 3
Views: 5194

A Monkey's Uncle

... theory) works from the primitive to the complex. That would make it a pyramid and we place ourselves smilingly at the apex thinking it doesn’t ... captive or what effect global warming will have on the African chimp population or even, addressing the handler, who the heck are you? That’s ...

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by narrowstaircase
Wed Mar 14, 2007 3:46 am
 
Forum: Evolution
Topic: A Monkey's Uncle
Replies: 26
Views: 52909

A Monkey's Uncle

... theory) works from the primitive to the complex. That would make it a pyramid and we place ourselves smilingly at the apex thinking it doesn’t ... captive or what effect global warming will have on the African chimp population or even, addressing the handler, who the heck are you? That’s ...

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by JDavidE
Sat Mar 10, 2007 9:39 pm
 
Forum: Evolution
Topic: A Monkey's Uncle
Replies: 26
Views: 52909

QUestion ABout Ecology

... were extracted completely from Central Park ( locate in NYC), the wolf population ( assuming that wolves exist there) would die. Why is this? - IN your detailed answer, you must include "biome" and " pyramid of biomass". Since he did not assign any reading and i don't recall much ...

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by frasifrasi
Thu Dec 29, 2005 4:44 pm
 
Forum: Ecology
Topic: QUestion ABout Ecology
Replies: 1
Views: 3348


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