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Dictionary » P » Pressures


pressure sense

The faculty of discriminating various degrees of pressure on the surface.

Synonym: baresthesia, piesesthesia, weight sense.

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Re: God vs Evolution

... We are the result of a naturalistic process in which life adapted to it's environment (climate, geography, flora, fauna, etc) and the selective pressures it imposed on the ancestors of our extant lineage, thus we are a direct result of the conditions of the Earth, more specifically east Africa ...

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by NMLevesque
Fri Nov 22, 2013 6:24 pm
Forum: Evolution
Topic: God vs Evolution
Replies: 274
Views: 214468

Re: Is complexity inevitable?

... reproductive barriers between popoulations. Normally, if different populations are exposed to different environments, the differing selection pressures push the population genetics in different directions, and gene flow between the populations interferes with this necessary divergence. An ...

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by wildfunguy
Fri Oct 18, 2013 1:55 am
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4809

Re: siphonophores

... single organisms but behave as an individual much like our cells making up us. For the most part the colony lives and dies as one so any selection pressures on the organism today would be pressures at the whole colony level, this would suggest the whole colony is one individual but that can be ...

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by fumpledrumpskin
Sun Sep 15, 2013 3:08 pm
Forum: Zoology Discussion
Topic: siphonophores
Replies: 2
Views: 940

Is complexity inevitable?

... increased complexity is linked to trait variation and offers significant evolutionary advantages. Of course I know that in periods when selective pressures are strong, particular traits are favoured, reducing variation. However, natural selection usually leaves enough slack for 'useless' variations ...

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by cakrit
Mon Jul 22, 2013 3:21 am
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 4809

Flowers' selective pressure on plant-eating insects

... reason of plant reproduction, but also because by offering insects a source of food, the plant kingdom actually modifies the entire selective pressures on insect evolution away from insects eating plants? So, there is always an arms race between plant and herbivorous insects (pesticides vs ...

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by expuddle
Tue Jul 09, 2013 10:58 am
Forum: Evolution
Topic: Flowers' selective pressure on plant-eating insects
Replies: 2
Views: 2122
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