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There are ~350,000 species of angiosperms, and there are less than 40,000 species of all other...

  1. There are ~350,000 species of angiosperms, and there are less than 40,000 species of all other land plants combined. What evolutionary process resulted in this rapid accumulation of biodiversity from an original, ancestral lineage? In the case of the angiosperms, what specific evolutionary innovations related to angiosperm reproductive biology were likely involved with this explosion in biodiversity? In what way did these novel features allow angiosperms to become so diverse. Present evidence (to the extent we covered it in the course materials) to support your answer. Include in your answer a time frame for when the rapid diversification of the angiosperms occurred.

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