(PLEASE HELP QUICKLY) What is true about polyploidy and speciation?

Select all that apply.

Asexual reproduction helps polyploidy lead to speciation.
It occurs due to environmental pressure.
Both animals and plants regularly form new species through polyploidy.
It can happen fast.

The miller-urey experiments are essential to the theory of evolution, because    they showed how organic molecules could be made from earth's early atmosphere.

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