Complete this comparison statement. photosynthesis : oxygen ::
Choose the correct answer.

oxygen : carbon dioxide

cellular respiration : oxygen

cellular respiration : enzymes

cellular respiration : carbon dioxide

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.