Unformatted text preview: the archegonium and then travel down to the egg. The fertilized egg, termed the zygote , then develops into a sporophyte. The sporophyte initially is attached to and dependent upon the gametophyte for nutrients, but soon becomes free-living, while the gametophyte shrivels and dies. Examine prepared slides of young sporophytes to illustrate this relationship and make a sketch in the space to the right. Human embryos are retained in and protected by the female reproductive organ. How does a fern plant approximate this condition? What does this retention of the zygote and subsequent embryo development seem to be an adaptation to?...
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- Fall '11
- Biology, human embryos, Fern, Gametophyte, prepared slides, living fern gametophytes