In the club moss life cycle:
b. a gametophyte may produce a series of sporophytes.
c. water is not required for fertilization.
d. microphylls, but not strobili, are formed.
e. the sporophyte does not usually become independent of the gametophyte.
23. Phylum Lycopodiophyta; pp. 405, 408; moderate; ans: d
Lycopodium differs from Selaginella and Isoetes in that Lycopodium:
a. is differentiated into roots, stems, and leaves.
b. has sporophylls.
c. is heterosporous.
d. lacks ligules.
e. has a protostele.
24. Phylum Lycopodiophyta; p. 405; moderate; ans: b
In the Selaginella life cycle, the archegonia:
b. protrude through a rupture in the megaspore wall.
c. develop on the microsporophyll.
d. develop from the suspensor.
e. cause the microsporangial wall to rupture.