Lamarck proposed two ideas to explain a. how organisms change through time. b. the principles of geology. c. the age of the earth. d. the slow movement of the earth's tectonic plates.

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.