What is an evolutionary reason why individual ferns may produce millions of spores?
A) Having many spores increases the chances that they will produce fossil fuels.
B) Having many spores increases the chances that they can produce seeds.
C) Spores can germinate only in the right environmental conditions,so producing many spores increases the chances that at least one will end up in an area of those conditions.
D) Spores can disperse only short distances,so producing many spores increases the chances that at least one will travel far enough to germinate.
Correct Answer:
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Q21: Nutritionally, all fungi are _.
A)heterotrophs that acquire
Q22: Seeds develop from _.
A)carpels
B)anthers
C)ovules
D)ovaries
Q25: What global climatic change gave gymnosperms an
Q34: In angiosperms,what structures house female gametophytes?
A)stigmas
B)petals
C)ovules
D)sepals
Q38: Nearly all food plants are _.
A)bryophytes
B)gymnosperms
C)ferns
D)angiosperms
Q40: Which structure of a flower traps pollen?
A)style
B)stigma
C)ovary
D)filament
Q41: Which of the following statements concerning the
Q42: The function of a mushroom is to
Q42: Suppose that, while on a forest hike,
Q56: What are hyphae?
A)symbiotic associations between plant roots
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