What are the sources that supply life on earth

Wich organism obtains its energy from dead or decaying matter

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.

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot