Question about Flowering Plants

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cklee
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Question about Flowering Plants

Post by cklee » Mon Nov 21, 2005 6:34 am

Why is the flower seen as an evolutionary advence when compared to the reproductive structures of the conifers, ferns, and mosses?

What are the haploid stages of the flowering plant life cycle? How does this compare to the haplois stages of the moss life cycle?

What are the differences between poillination and fertilization?

How does a fruit help aid in the dispersal of the seeds?

baikuza
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Post by baikuza » Mon Nov 21, 2005 8:08 am

the gene changes make it out. maybe the environment (e.g. tropic, sub-tropic, or the coldest places like artic, the species at that places)

oogenesis and spermatogenesis, meiosis, of course. look at its metagenesis cycle. at its anteridium and archegonium

??? what is poillination? lets took a dictionary.
fertilization is genarative reproduction.two gametes are needed.

animal eat fruits-herbifore(then by them the seeds are dispersaled).
some like horse eat the fruit(s) then the seed(s) out from the defecation at other place(s). some other by eat it but not eat the seed(s) then the seed(s) put out at the other places.(ornitokory)
the other animal keep those seed (the seed what they eat) inside the soil. then they are lost it because they are do not know the exactly where were they keep them.

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