Survival on land for organisms is difficult because of the problem of
A) desiccation.
B) pollination.
C) syngamy.
D) spore germination.
E) coevolution.
Correct Answer:
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Q21: All of the following statements about ferns
Q22: To reproduce sexually,bryophytes require
A)heterospory.
B)free water external to
Q23: A bryologist (a scientist that studies mosses,and
Q24: Well-developed vascular systems are absent in all
Q25: Tracheophyte plants are characterized by all of
Q27: Hornworts differ from mosses and liverworts in
Q28: Which one of the following structures in
Q29: The dominant stage in the life cycle
Q30: Among the bryophytes,which of the following contain
Q31: Plants as well as brown,green,and red algae
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