columnar-celled
1angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) …
2reproductive system, plant — Introduction any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative …
3Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… …
4cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
5Liquidambar styraciflua — Conservation status …
6Populus — Taxobox name = Populus image width = 240px image caption = Foliage of Populus tremula regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Malpighiales familia = Salicaceae genus = Populus genus authority = L. subdivision ranks …
7Liriodendron tulipifera — taxobox name = American Tulip Tree image caption = Liriodendron tulipifera Morton Arboretum acc. 500 67*21 regnum = Plantae unranked divisio = Angiosperms unranked classis = Magnoliids ordo = Magnoliales familia = Magnoliaceae genus =… …
8Sourwood — Taxobox name = Sourwood image width = 240px regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Ericales familia = Ericaceae genus = Oxydendrum DC. species = O. arboreum binomial = Oxydendrum arboreum binomial authority = (L.) …
9Pagoda dogwood — Scientific classification Kingdom: Plantae (unranked) …
10Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
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