Would it have been possible, on a theoretical basis, for an indehiscent megasporangium to evolve before integument-penetrating
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Would it have been possible, on a theoretical basis, for an indehiscent megasporangium to evolve before integument-penetrating pollen tubes evolved? Why or why not? What problem would be involved?
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On a theoretical basis it is possible for an indehiscent megasporangium to evolve before integumentpenetrating pollen tubes However this evolutionary ...View the full answer
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