Multiple Choice
Because they are morphologically simple, Psilotophyta (whisk ferns) have traditionally been thought to be a basal group in the radiation of land plants. Molecular phylogenies have challenged this hypothesis and support the alternative hypothesis that they________.
A) are the sister group to the seed plants
B) represent a grade rather than a monophyletic group
C) have lost complex structures in this lineage
D) represent a lineage that forms a monophyletic group with Lycophyta
Correct Answer:
Verified
Correct Answer:
Verified
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