Bryophyte And Pteropyte Life Cycles - A Compare/contrast

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Issue:

Miscellaneous

 

Written by:

Mary G

 

Date added:

January 16, 2015

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 736

 

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2616 times

 

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In ferns, the mature sporophyte (2N) has small spots on the undersides of its leaves. These are clusters of the Pterophyte sporangia, called sori. As in mosses, meiosis occurs in the sporangia, which then release spores, continuing the cycle. Mitosis in Bryophytes begins germination, or growth. It directly follows meiosis...
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It directly follows meiosis. As mitotic division continues, protonemata (1N) are formed. They grow until they are mature gametophytes. In Pterophytes, mitosis occurs directly after fertilization. The zygote divides and grows until it peeks out of the parent gametophyte, then it matures until it can release its own spores...
displayed 300 characters

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