User:Flyingidiot
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The Barnstar of Diligence |
| Thanks for being one of the infinite number of monkeys. ;-) Steven Walling (WMF) • talk 22:09, 13 April 2012 (UTC) |
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a random featured article for your pleasure
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Flowers are the reproductive structures of flowering plants. Typically they are structured in four circular levels around the end of a stalk. These include: sepals, modified leaves that support the flower; petals, often designed to attract pollinators; male parts, where pollen is presented; and female parts, where pollen is received and its movement is facilitated to the egg. Pollen, produced in the male sex cells, is transported between the male and female parts of flowers in pollination. Pollen movement may be caused by animals or factors such as wind or water. After pollination, the female part of the flower forms a fruit, and the other floral structures die. The fruit protects the seed and aids in its dispersal. Flowers first evolved between 150 and 190 million years ago, in the Jurassic. Plants with flowers dominate the majority of the world's ecosystems, and themselves range from tiny orchids and major crop plants to large trees. (Full article...)
This page was last edited March 15, 2023
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