Question
Compare the male reproductive structure of Cycas and Pinus.
Answer :
Word Count : 254
In Cycas, a member of gymnosperms under the group Cycadophyta, the male reproductive structures are organized into microsporophylls, which are leaf-like structures arranged spirally on a cone-like strobilus. Each microsporophyll bears numerous microsporangia on its lower surface. The microsporangia produce pollen grains, which are the male gametophytes. The pollen grains __________ __________ ____ _______ ___.
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In Cycas, a member of gymnosperms under the group Cycadophyta, the male reproductive structures are organized into microsporophylls, which are leaf-like structures arranged spirally on a cone-like strobilus. Each microsporophyll bears numerous microsporangia on its lower surface. The microsporangia produce pollen grains, which are the male gametophytes. The pollen grains __________ __________ ____ _______ ___.
_____ ___ ___ _________ ______ ______ _____.
_____ _______ ________ __________ ___ ______ _______ ______.
____ _______ ___ ___ ____.
__________ ___ ___ _____ ____.
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