Dictionary » T » Twigs



full of, or abounding in, twigs; twiggy. Twigsome trees.

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Cottonwood tree twigs with star-shaped pattern

Can a botanist please explain to this layman how that tiny star(five pointed) winds up in some twigs from cottonwood trees? When twigs about 1/4" diameter are cut in cross section at a "joint" (where the twig is slightly swollen and growth rings appear to ...

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by Thos
Sun Aug 19, 2012 2:54 am
Forum: Botany Discussion
Topic: Cottonwood tree twigs with star-shaped pattern
Replies: 0
Views: 2550

Evolution Presentation Need Help

... split off from existing lineages) 2) Common ancestry (the common ancestry of different species, since new species, which can be thought of as twigs on the developing branches of life, can be traced back to a common branch, and ultimately to an original ancestor;) d) Natural selection ( The ...

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by SouthernApe
Sun Jan 16, 2011 1:44 pm
Forum: Evolution
Topic: Evolution Presentation Need Help
Replies: 3
Views: 4314

Re: Experimental evidence for evolution

... with regard to the snake: Limbs have a resource cost that requires maintenance. Limbs would adversely affect digestion. Limbs would snag on twigs and branches. They would provide an easier target for predators and prey. In return what advantages would they provide? I guess that as random ...

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by Geokinkladze
Tue Oct 05, 2010 1:31 am
Forum: Evolution
Topic: Experimental evidence for evolution
Replies: 103
Views: 194833

What is life? (Seeking a physical signature for life)

... all those things that moved, fed, excreted and did everything that we did seemed to be more similar to us than they were to the unmoving stones, twigs, sand or water. So, animals, birds, fishes etc were considered to be closer to us and deserved to be put in a category along with us (remember ...

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by ragav.payne
Sun Feb 03, 2008 3:59 am
Forum: General Discussion
Topic: What is life? (Seeking a physical signature for life)
Replies: 9
Views: 9360

What causes the brown spots on pears?

... will help control this disease. After harvest apply Copper Spray. Dark brown spots and dead areas develop on bark. Eventually they will girdle twigs, branches and limbs. Open cankers have concentric rings of raised tissue. Red, round fungal fruiting structures can be found on the cankers during ...

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by CoolJay221
Wed Feb 15, 2006 4:13 pm
Forum: Botany Discussion
Topic: What causes the brown spots on pears?
Replies: 12
Views: 12652
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