How flowering plants conquered the world

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Gawdzilla Sama
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How flowering plants conquered the world

Post by Gawdzilla Sama » Sun Jan 14, 2018 12:36 pm

How flowering plants conquered the world

By Helen Briggs
BBC News
14 January 2018

"Scientists think they have the answer to a puzzle that baffled even Charles Darwin: How flowers evolved and spread to become the dominant plants on Earth.

Flowering plants, or angiosperms, make up about 90% of all living plant species, including most food crops.

In the distant past, they outpaced plants such as conifers and ferns, which predate them, but how they did this has has been a mystery.

New research suggests it is down to genome size - and small is better.

"It really comes down to a question of cell size and how you can build a small cell and still retain all the attributes that are necessary for life," says Kevin Simonin from San Francisco State University in California, US.

'Abominable mystery'
Hundreds of millions of years ago, the Earth was dominated by ferns and conifers. Then, about 150 million years ago, the first flowering plants appeared on the scene.

They quickly spread to all parts of the world, changing the landscape from muted green to a riot of vibrant colour."

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Re: How flowering plants conquered the world

Post by OlegTheBatty » Sun Jan 14, 2018 10:14 pm

All the plant photos are of cultivars created by humans. Which should I use, :scratch:, or :lol:
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Re: How flowering plants conquered the world

Post by bobbo_the_Pragmatist » Sun Jan 14, 2018 10:37 pm

Genome size or cell size: not the same thing. And...in Gawd's summary no connection made to why that is more competitive. Does the notion apply to animals? My gut says no.

flowering plants are sexual allowing for greater genetic variability over all other forms of reproduction.

My gut: its variability that succeeds...nothing else.
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Re: How flowering plants conquered the world

Post by OlegTheBatty » Sun Jan 14, 2018 10:52 pm

bobbo_the_Pragmatist wrote:Genome size or cell size: not the same thing. And...in Gawd's summary no connection made to why that is more competitive. Does the notion apply to animals? My gut says no.

flowering plants are sexual allowing for greater genetic variability over all other forms of reproduction.

My gut: its variability that succeeds...nothing else.
Gymnosperms are sexual too.
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Re: How flowering plants conquered the world

Post by bobbo_the_Pragmatist » Sun Jan 14, 2018 10:59 pm

Oleg: thanks for the note. A short read here:

https://www.diffen.com/difference/Angio ... ymnosperms
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