...[inbreeding]] and [[population bottleneck]]s) can cause reduced [[fitness (biology)|biological fitness]] and an increased chance of [[extinction]].
...or [[locus (genetics)|locus]], a population is said to be [[polymorphism (biology)|polymorphic]] with respect to that gene or locus. When no variation exists
1 KB (138 words) - 07:56, 16 September 2007
...d a shift toward more holistic classification methods, eventually based on evolutionary relationships.
==Evolutionary systematics==
7 KB (991 words) - 04:05, 15 September 2007
| subdivision_ranks = [[family (biology)|Families]]
'''Fabales''' is an [[order (biology)|order]] of [[flowering plant]]s. It is included in the [[Rosids|rosid]] gr
4 KB (541 words) - 01:25, 22 November 2008
Ever since the flowering of [[evolution|evolutionary theory]] with [[Charles Darwin]]'s writings, a genus is intended to be a na
...arch, it is now increasingly common for taxonomic ranks below the [[class (biology)|class]] level to be restricted to confirmed [[monophyletic]] groupings. In
7 KB (1,054 words) - 19:51, 3 October 2007
| subdivision_ranks = [[Class (biology)|Classes]]
The members of this division have a long evolutionary history, and [[fossil]]s are abundant worldwide, especially in coal [[depos
5 KB (631 words) - 04:56, 8 April 2007
=== Evolutionary-ecological ===
With [[Aldo Leopold]] (''[[A Sand County Almanac]]'', 1949), an evolutionary ecology develops, a prospect marked by dynamism rather than by static conse
12 KB (1,719 words) - 07:44, 16 September 2007
...s found across the [[plant]] kingdom. This article describes [[Morphology (biology)|morphological]] aspects of sexual reproduction of plants.
...the amount and distribution of genetic variation, a central element in the evolutionary process (Costich, 1995).
9 KB (1,241 words) - 05:04, 4 April 2007
*Harper, J.L. 1977. Population Biology of Plants. Academic Press, New York, N.Y.
*Kon, H., Noda, T., Terazawa, K., Koyama, H. and Yasaka, M. 2005. Evolutionary Advantages of Mast Seeding in ''Fagus crenata''. ''Journal of Ecology'' ''
7 KB (1,068 words) - 10:41, 23 September 2007
...f that no [[mosquito]] can penetrate the coating of fern to lay its [[Egg (biology)|egg]]s in the water{{Fact|date=February 2007}}. ''Azolla'' is reputed to b
...cal environment. This research conducted by the Institute of Environmental Biology at [[Utrecht University]] claims that large dense patches of azolla growing
7 KB (1,050 words) - 18:29, 1 March 2010
In [[biology]], a '''species''' is one of the basic units of [[biological classification
..."classical" method of determining species, such as with Linnaeus early in evolutionary theory. However, we now know that different phenotypes do not always consti
44 KB (6,639 words) - 12:31, 2 April 2007
...d on the characters of the [[flower]], introduced the category of [[Order (biology)|order]] (corresponding to the "higher" genera of John Ray and Andrea Caesa
...axonomy (or [[cladistics]] or cladism) has emerged, arranging taxa in an [[evolutionary tree]]. If a [[taxon]] includes all the descendants of some ancestral form,
20 KB (2,885 words) - 15:51, 17 October 2008
'''Dipterocarpaceae''' is a [[family (biology)|family]] of 17 genera and approximately 580-680 species of mainly [[tropic
* Maury-Lechon, G. and Curtet, L. Biogeography and Evolutionary Systematics of Dipterocarpaceae. In ''A Review of Dipterocarps: Taxonomy, e
9 KB (1,250 words) - 09:21, 9 October 2007
| subdivision_ranks = [[Class (biology)|Classes]]
...a series of [[Apomorphy#Definitions|apomorphies]], or derived [[character (biology)|characteristics]].
28 KB (4,152 words) - 02:13, 10 February 2010
...]] or [[fern]]s, but are unrelated to either, belonging to the [[division (biology)|division]] '''Cycadophyta'''.
...upon a hierarchical structure based on cladistic analyses of [[Morphology (biology)|morphological]], [[anatomy|anatomical]], [[karyology|karyological]], [[phy
25 KB (3,697 words) - 14:21, 27 March 2007
...ilar meanings) with ''introduced'' are ''acclimatized, adventive, [[Alien (biology)|alien]], bioinvasive, exotic, escaped, feral, foreign, invasive, non-nativ
By [[invasion biology terminology|definition]], a species is considered “introduced” when its
19 KB (2,891 words) - 04:12, 6 April 2007
...sian/Australian clade far from melon (C. melo)| journal = BMC Evolutionary Biology| volume = 7| year = 2007| pages = 58-69| doi =
10 KB (1,121 words) - 18:06, 19 May 2009
...oot. This allows the plant to accumulate mineral nutrients in the [[Stele (biology)|stele]].
* Raven, J. A., D. Edwards. 2001. Roots: evolutionary origins and biogeochemical significance. ''Journal of Experimental Botany''
15 KB (2,313 words) - 05:35, 1 June 2007
...distinctive feature of the flowers is that they have a long green [[spur (biology)|spur]] attached. The spur of the flower is {{convert|27|–|43|cm|in|1|abb
...o-evolution]] and subsequently the fields of [[botany]] and [[evolutionary biology]].
12 KB (1,764 words) - 22:26, 22 December 2009
...nesis|development]], [[phytopathology|diseases]], chemical properties, and evolutionary relationships between the different groups. Botany began with early human e
...ic]] and [[biochemistry|biochemical]] level through [[organelle]]s, [[cell biology|cells]], [[biological tissue|tissues]], [[organ (anatomy)|organs]], individ
31 KB (4,237 words) - 22:06, 10 February 2010
==Biology and genetics==
...genome]]. The crop is however adapted to this form of reproduction from an evolutionary point of view. Cross-fertilization is also possible, but it is not the prim
25 KB (3,593 words) - 09:55, 17 July 2007