Select the appropriate words to complete the sentence.
gymnosperms and angiosperms, which are seed plants, alternate between (two) generations.
gymnosperms are non-flowering plants with (exposed seeds)
and angiosperms are flowering plants with (protected seeds).
sporophytes produce spores for reproduction. in seed plants, the male reproductive structure produces (microspores) ,
and the female reproductive structure produces (megaspores).
gametophytes produce (gametes)
through the process of (mitosis).