In the moss life cycle, ____
a. gametophytes originate within, and are dependent upon, sporophytes
b. sporophytes originate within, and are dependent upon, gametophytes
c. both gametophytes and sporophytes are independent from each other and are equally dominant
d. gametophytes are free-living and photosynthetic, but are replaced by a dominant sporophyte generation
e. gametophytes are photosynthetic and partially independent from the sporophytes
ANSWER: b
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