alleryWhich statement correctly describes gymnosperm reproduction?
AAll spores are identical in size
BFemale gametophytes live independently
CPollen tubes carry male gametes to archegonia
DOvules are enclosed in ovaries
Answer & Solution
Correct answer: C. Pollen tubes carry male gametes to archegonia
Gymnosperms are heterosporous. Their highly reduced gametophytes remain within sporangia on the sporophyte; pollen reaches exposed ovules and forms a tube carrying male gametes to archegonia. Cycas and Pinus are examples.
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