In contrast to a eusporangium, a leptosporangium:
A) arises from a single initial cell.
B) produces more spores.
C) has a tapetum that is one cell layer thick.
D) is larger.
E) arises from one or more surface cells.
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Q24: Lycopodium differs from Selaginella and Isoetes in
Q25: The common name "fern" refers to which
Q26: Roots.
A)Ophioglossum
B)Botryichium
C)Tmesipteris
D)Zostera
E)Lycopodium
Q27: The prothallus of Polypodiopsida is a(n):
A)cluster of
Q28: The Marsileaceae and Salviniaceae differ from the
Q30: Which of the following is NOT one
Q31: The innermost wall layer of a eusporangium
Q32: In the club moss life cycle:
A)the gametophytes
Q33: Psilotum is a _ fern belonging to
Q34: The annulus is most directly involved in:
A)providing
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