Adaptive behaviour

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coco
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Adaptive behaviour

Post by coco » Sun Jun 25, 2006 6:44 pm

adaptive behaviour has probably selected by evolutionary processes mainly because it:

a) makes the animal smartest
b) allows the animal to live the longest
c) allows the animal to live the widest variety of enviroments
d) allows the animal to produce the largest number of viable offspring
e) all of the above

what im thinking e is the correct one, isnt it adaptive behaviour gives the animal more chances to live and produce more?
ill appreciate any comments

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alextemplet
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Post by alextemplet » Sun Jun 25, 2006 8:21 pm

I think you're right.
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herb386
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Post by herb386 » Sun Jun 25, 2006 9:01 pm

The only reason any trait (including behaviour) is ever selected for by evolution is if it makes the organism more fit than it's competitors.

The definition of fitness is the number of viable offspring produced throughout the organism's life time and the fitness of those offspring.

So I think d. is correct.

But, the question is a bit vague. If it is asking why a behaviour which allows an organism to be more adaptive is selected for then b. or c. could be correct.

a. is almost certainly wrong as intelligence is only one factor in behaviour and fitness and so depends on the exact conditions of the environment. In a general question like this I don't think it would be the best answer.

Overall I think d is more correct.

Hope that's useful and not too indecisive.

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mith
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Post by mith » Mon Jun 26, 2006 1:55 am

I don't like the question either, adaptation is supposed to be specific and C would be incorrect.
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Post by Doc44 » Mon Jun 26, 2006 1:56 am

((( C )))

Adaptation to live in a variety of environments allow for an increase in range and distribution thus increasing carrying capacity.

The house fly does not live long but the earth's biomass of house flies is greater than the biomas of penguins and penguins live longer.

Doc44

Good discussion question. Choose your answer and defend it. Agree other choices could be defended.

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Post by coco » Mon Jun 26, 2006 3:14 am

im very confuse, i checked again in internet and my text book and it seem to be that all the answers are correct...

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Post by herb386 » Mon Jun 26, 2006 7:57 am

a. b. or c. could be right in very specific cases like house flies and maybe humans for a. but d. is the only answer that is correct for any adaptive behaviour because it is the definition of a selective advantage.

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Post by [email protected] » Mon Jun 26, 2006 10:19 pm

I say it's either C or D.

The first choice, A , doesn't even sound like you used proper grammar ( lol ) and B isn't necessarily correct either. Some animals live for a very long time, but it takes them a long time to conceive and such. And thecould only be able to have maybe 1 or 2 offspring.

C could be it because if you can live in most enviornments, then you wouldn't necessarily have to compete for resources. Maybe you could pack up and move where there are a plentiful amount of resources and less competition.

D could be it because for most, if not all, animals ...we're here to reproduce and pass on our traits.

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