Plants are a major group of living things including familiar organisms such as trees, flowers, herbs, ferns and mosses. About 350,000 species of plants, defined as seed plants, bryophytes, ferns and fern allies, have been estimated to exist. As of 2004, some 287,655 species had been identified, of which 258,650 are flowering and 15,000 bryophytes.

Aristotle divided all living things between plants, which generally do not move, and animals. In Linnaeus' system, these became the Kingdoms Vegetabilia (later Plantae) and Animalia. Since then, it has become clear that the Plantae as originally defined included several unrelated groups, and the fungi and several groups of algae were removed to new kingdoms. However, these are still often considered plants in many contexts. Indeed, any attempt to match "plant" with a single taxon is doomed to fail, because plant is a vaguely defined concept unrelated to the presumed phylogenic concepts on which modern taxonomy is based.

Embryophytes

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Main article: Embryophytes

Most familiar are the multicellular land plants, called embryophytes. They include the vascular plants, plants with full systems of leaves, stems, and roots. They also include a few of their close relatives, often called bryophytes, of which mosses and liverworts are the most common.

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How plants defend themselves against disease and insects? http://bit.ly/5f5VRD
InfectedDisease (Infected Disease) Sun, 06 Dec 2009 12:32:35 -0000
How plants defend themselves against disease and insects? http://bit.ly/5f5VRD
Botanists at Kew discover the tomato and potato plants are carnivorous, with ability to trap insects http://bit.ly/8QYTHt
pausetothink (anvita ) Sun, 06 Dec 2009 12:14:00 -0000
Botanists at Kew discover the tomato and potato plants are carnivorous, with ability to trap insects http://bit.ly/8QYTHt
Did you know your tomatoes are carnivorous plants?!?!? Studies show that tomatoes and many others kill and eat insects. http://bit.ly/5M07wQ
redbuttegarden (Red Butte Garden) Sat, 05 Dec 2009 21:53:08 -0000
Did you know your tomatoes are carnivorous plants?!?!? Studies show that tomatoes and many others kill and eat insects. http://bit.ly/5M07wQ
RT @tradefairly: Green! Growing coffee under shade of forest canopy preserves crucial habitat for plants, animals, insects and migratory ...
PortolaCoffeeSD (Mary Rojas) Sat, 05 Dec 2009 21:09:20 -0000
RT @tradefairly: Green! Growing coffee under shade of forest canopy preserves crucial habitat for plants, animals, insects and migratory ...
So for biology our assignment is to keep a bunch of insects and plants alive...idk if me and melanie will pull it off!!!!
foniaj (stephanie jimenez) Fri, 04 Dec 2009 23:38:30 -0000
So for biology our assignment is to keep a bunch of insects and plants alive...idk if me and melanie will pull it off!!!!
RT @tradefairly: Green! Growing coffee under shade of forest canopy preserves crucial habitat for plants, animals, insects and migratory ...
PortolaCoffee (Portola Coffee) Fri, 04 Dec 2009 21:11:05 -0000
RT @tradefairly: Green! Growing coffee under shade of forest canopy preserves crucial habitat for plants, animals, insects and migratory ...

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