4. Why are most fossils found in sedimentary rocks? Adapted from University of Califomia Museum of Paleontology." How a Dinosaur Became a Fossil." PBS Learning Media. WGBH, 2005
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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.