The image below shows part of Lake Mead, the largest reservoir in the United States. Notice the band of white sediments above the water line. This band is known as the “bathtub ring.”

How do you think the bathtub ring formed?

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.