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Humidity

Humidity

Moisture; dampness; a moderate degree of wetness, which is perceptible to the eye or touch; used especially of the atmosphere, or of anything which has absorbed moisture from the atmosphere, as clothing.

in hygrometrical reports (as of the united states signal Service) complete saturation of the air is designated by humidity 100, and its partial saturation by smaller numbers.

Origin: cf. F. Humidite.


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Re: Transpiration Please help Me

... evolved different mechanisms (C3 versus C4 and CAM plants) to minimize water loss from the need to photosynthesize. Under extremely high levels of humidity, the rate of transpiration decreases even though the stomata are open. Although the opening and closing of the stomata may be an active process. ...

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by daddyjames
Sun Oct 14, 2012 2:34 pm
 
Forum: Botany Discussion
Topic: Transpiration Please help Me
Replies: 29
Views: 17804

deciduous and evergreen species of Magnolia

... whether the different species had become either deciduous or evergreen according to the climate in which they developed, but is it temperature or humidity or both that affect that development?

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by chezfenny1
Sat Apr 07, 2012 9:35 am
 
Forum: Botany Discussion
Topic: deciduous and evergreen species of Magnolia
Replies: 1
Views: 776

Investigation into aspect of plant physiology

... on plants *Effect of light strength on plants cannot be used? Too bad, there could be several topics... Anyway, how is it that you cannot regulate humidity and photoperiodism? For humidity you can water your plants with exact volume of water and maybe even close them somewhere. As for photoperiodism, ...

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by JackBean
Mon Feb 13, 2012 7:11 am
 
Forum: Botany Discussion
Topic: Investigation into aspect of plant physiology
Replies: 6
Views: 1404

Investigation into aspect of plant physiology

... tech. I also need to make my own experiment to test the research question so yeah it needs to be testable Things I have investigated myself: Humidity - Hard to regulate and then there also isn't much secondary data on that Photoperiodism - Hard to regulate and I'm only at school for 5 hours ...

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by Lysis
Mon Feb 13, 2012 5:58 am
 
Forum: Botany Discussion
Topic: Investigation into aspect of plant physiology
Replies: 6
Views: 1404

Re:

... - Modern very intelligent man since 100.000 to 200.000 years ago (and of course, he loved the caves for 95% of that period, with the spiders, the humidity, the bats and the rats... ;-)), which gives 4.000 to 8.000 generations ago Which means, the closer ancestors of (and including )modern man ...

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by christianstrategies
Wed Feb 08, 2012 7:57 pm
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 309
Views: 430425
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