Based on the body structures of these animals which to conclusions are scientifically sound?

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Name the glands associated with human digestive system

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.