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1. (Science: suffix) A turning toward, having an affinity for.

Compare: -trophic.

Origin: G. Trope, a turning

2. (Science: chemistry) Of, pertaining to, or designating, an acid obtained from atropine and certain other alkaloids, as a white crystalline substance slightly soluble in water.

3. (Science: astronomy) One of the two small circles of the celestial sphere, situated on each side of the equator, at a distance of 23 deg 28 min, and parallel to it, which the sun just reaches at its greatest declination north or south, and from which it turns again toward the equator, the northern circle being called the Tropic of cancer, and the southern the Tropic of Capricorn, from the names of the two signs at which they touch the ecliptic.

4. (Science: geography) One of the two parallels of terrestrial latitude corresponding to the celestial tropics, and called by the same names. The region lying between these parallels of latitude, or near them on either side.

5. (Science: zoology) Tropic bird, any one of three species of oceanic belonging to the genus phaethon, found chiefly in tropical seas. They are mostly white, and have two central tail feathers very long and slender. The yellow-billed tropic bird. Phaethon flavirostris (called also boatswain), is found on the atlantic coast of Ame 49c rica, and is common at the bermudas, where it breeds.

Origin: F. Tropique, L.tropicus of or belonging to a turn, i. E, of the sun, Gr. Of the solstice, (sc) the tropic or solstice, fr. To turn. See Trope.

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Why do Africans have large noses and lips?

I agree that not all the Africans have large noses and lips, but this is still a common situation. We know that most of Africa is in the tropics, and except for the peaks of mountains in the Great Rift Valley, it never freezes. The continent's northern half is primarily desert or arid, while ...

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by CandyTon
Sat Feb 07, 2015 3:37 am
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 35
Views: 253670

Theories - Origin of Life

Gavin In the northern hemisphere - autumn in the south - spring. In the tropics, warm, at the extremes - cold. Very sorry, uh ... but may I ask your permission at least to make assumptions? :roll:

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by LeoPol
Mon Oct 17, 2011 2:34 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 563
Views: 1127872

Replication of Photosynthesis

... this, the pacific northwest is a "temperate rainforest" and the cry to save the rainforest can happen right in America and not in the tropics. I am sure there are other temperate rain forests in other parts of the globe too, not just the tropics) The remarkable part about the way nature ...

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by bellyjelly
Tue Jul 12, 2011 8:17 am
Forum: Botany Discussion
Topic: Replication of Photosynthesis
Replies: 11
Views: 8665

are NZ ducks imba?

... only place on earth that doesn't have Peregrine Falcons: "The Peregrine's breeding range includes land regions from the Arctic tundra to the Tropics. It can be found nearly everywhere on Earth, except extreme polar regions, very high mountains, and most tropical rainforests; the only major ...

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by cirque
Fri Apr 29, 2011 5:07 am
Forum: Zoology Discussion
Topic: are NZ ducks imba?
Replies: 1
Views: 2246

Re: Can Genetic Variation Revert Back?

okay guys i have another example an easier one. i am talking about the tropics in this whole case we have rabbits. rabbits are usually brown as its an adaption for thier camouflage and to stay safe. we also have white rabbits that would be killed easily by ...

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by jwalin
Sat Jan 09, 2010 3:10 am
Forum: Evolution
Topic: Can Genetic Variation Revert Back?
Replies: 14
Views: 11518
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