07IPs,
How did the modern flower come about? Fossils from China suggest that flowers originated from a lakeside plant which produced ovules on its branching stems, which eventually modified into pretty, colourful flowers with the ability to attract insects to help them exchange genetic material through cross-pollination, or having wing-like structures to help dispersal by wind.
These observations all say one thing: the flower as a strategy to move towards sex as the primary method of reproduction.
Here's the link
Thursday, July 24, 2008
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