Answer:
Polyploidy is common among plants and has been a major source of speciation in the angiosperms. If through polyploidy the plant duplicates the chromosome set inherited from each parent meiosis can occur because each chromosome will have a homologue derived from its duplicate set.
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Answer:
I'm pretty sure the answer is b because since multicellualr organisms have more cells, they carry out more functions rather than a singlecellular organism.
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Answer:
If you slide a hockey puck on ice, eventually it will stop, because of friction on the ice. It will also stop if it hits something, like a player's stick or a goalpost.
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