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Why are the following characteristics advantageous for a plant?

  • to have atactostele instead of eustele
  • to have less stamens
  • to lose secondary growth
  • to switch to anemophily pollination (also if it's not always the case)
  • to use the cotyledon as storage media instead of endosperm

Why are there so much similarities between liliopsida and gymnospermae?

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  • $\begingroup$ This wasn't an homework question, but a genuine curiosity that arose studying such organisms. I'll be glad to modify it to fit the rules of the community if possible. $\endgroup$ – Saul Pierotti Apr 16 '17 at 13:55

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