Angio/Gymnosperms

 ________ are the most successful group of nonvascular plants and can be found in tropical environments
A.   sorus
B.   liverwarts
C.   ferns
D.   Bryophyta

it is either liverwarts or bryophyta, there exist more species of mosses ( bryophyta ) than liverwarts, but liverwarts are more tropically located. But i think i would go with bryophyta, i'm not sure so it could be liverwarts.

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Sperm forming tissue is found in the __________.
     A) Antheridia
     B) gametangia
     C) archegonia
     D) sporangia


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In nonvascular plants female gametophytes will form when _______  divide by mitosis.
      A)  sporangium
      B)  sporophyte
      C)  motile sperm
      D)  megaspores

Thanks!

I was thinking ferns but yea its could go either way xD

ferns are vascular plants so not the right answer. And you're welcome