1.a. why are the seeds produced by gymnosperms naked? b. what advantage do seeds

Question

1.a. why are the seeds produced by gymnosperms naked? b. what advantage do seeds produced by the angiosperms haveover the pine tree seeds? 2.what advantage do pollen producing plants have over plantsthat don't make pollen? a. what do the plants that don't produce pollen makeinstead? b.what stage of the alteration of generations is the pollengrain? c. from what stage of the AoG did the pollen grain arise andhow did it develop? 1.a. why are the seeds produced by gymnosperms naked? b. what advantage do seeds produced by the angiosperms haveover the pine tree seeds? 2.what advantage do pollen producing plants have over plantsthat don't make pollen? a. what do the plants that don't produce pollen makeinstead? b.what stage of the alteration of generations is the pollengrain? c. from what stage of the AoG did the pollen grain arise andhow did it develop?

Explanation / Answer

1. Gymnospore seeds are naked because the seeds areunenclosed. 2. Seeds produced by angiosperms have the advantage over pinetree seeds because they are transported at a higher rate than pinetree seeds. (Think of pollination--since angiosperms areencased in fruit, they have a better chance at being dispersed overa wide area since animals spread the seeds.) 3. Pollen plants have a much bigger advantage over non-pollenproducing plants because of the same reason given in 2. 4. Plants that don't produce pollen produce well, seeds. Orflowers, or buds. 5. Pollen grain is considered the haploid stage. It is themale gametophyte. 6. see answer 5. Hope this helps.

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