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Pheromone

pheromone

(Science: endocrinology) A volatile hormone or behaviour modifying agent. Normally used to describe sex attractants for example bombesin for the moth bombyx, but includes volatile aggression stimulating agents (e.g. Isoamyl acetate in honey bees). A chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species.A chemical that is used by animals (and some plants) as a method of communication. Examples include pheromones present in dog urine which marks its territory or can also be used in organisms to attract a mate of the opposite sex.


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Can you think of an evolutionary reason for this?

Yes it is only really a hypothesis but it is interesting, by the looks of it researchers are saying it is pheromone related, took me a while to find but I knew there would have to be something out there on the subject http://www.sciencedaily.com/releases/1999/09/990927064822.htm ...

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by vk4vfx
Mon Oct 01, 2012 12:22 am
 
Forum: Evolution
Topic: Can you think of an evolutionary reason for this?
Replies: 8
Views: 5780

Why are flowers "beautiful"?

... particular species of tree they would simply die out. As for beauty in the eye of the human that is really complex as it is not only visual it is pheromone based as well, off the top of my head i think we are the only animal that can pick out and distinguish a single face out of literally billions ...

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by vk4vfx
Tue Feb 01, 2011 12:32 am
 
Forum: Evolution
Topic: Why are flowers "beautiful"?
Replies: 112
Views: 56213

Re: Human Pheromones

... a feasible, plausible article, backed up with good research. Check some of your recommended websites, since some still claim Androstenone is the pheromone which attracts women to men. Still, the ongoing debate about pheromones or odour clues, are they separate or one, still rages. I strongly ...

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by fastsandslash
Wed Jun 02, 2010 11:16 am
 
Forum: Human Biology
Topic: Human Pheromones
Replies: 3
Views: 3508

Homosexuality - mutation? Evolutionary reasons.

Twin studies have indicated a strong genetic component, but suggest a multiple-gene system, so inheritance would not be easily trackable. The pheromone hypothesis is interesting, but no one can quite agree that there even IS a human pheromone system (I think there is, but the effects are pretty ...

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by Darby
Thu May 27, 2010 1:48 am
 
Forum: Evolution
Topic: Homosexuality - mutation? Evolutionary reasons.
Replies: 39
Views: 44119

sexual attraction.........

yeah the pheromone thing is only related to immunocompatibility and the increase survival chance for the offspring. It has nothing to do whether the two people's personalities, looks and preferences are compatible. Basically a ...

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by david23
Sat Sep 19, 2009 4:05 am
 
Forum: Physiology
Topic: sexual attraction.........
Replies: 22
Views: 15972
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