Chapter 17: Seedless Vascular Plants


Phylum Lycopodiophyta; pp. 404-405; moderate; ans: b



Download 12.07 Kb.
Page9/18
Date14.01.2022
Size12.07 Kb.
#86609
1   ...   5   6   7   8   9   10   11   12   ...   18
Chapter 17-final
Chapter 18-final
22. Phylum Lycopodiophyta; pp. 404-405; moderate; ans: b

In the club moss life cycle:


a. the gametophytes are unisexual.

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:


a. protrude through the megasporophyll.

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.


Download 12.07 Kb.

Share with your friends:
1   ...   5   6   7   8   9   10   11   12   ...   18




The database is protected by copyright ©sckool.org 2022
send message

    Main page