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May 28, 2015

Homework Help: Science

Posted by Kassie on Friday, March 27, 2009 at 12:24am.

How do I find the basic information I need to construct a timeline that indicates the first appearance of each of these seedless plants listed below, and describe the animal life that existed at each time, including a brief report on which of those animals and plant species exist today?

Mosses
liverworts
ferns horsetails
club mosses


Thank you,
Kassie

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