True or false? many new major animal body plans have evolved since the cambrian about 550 million years ago.

Why do carbohydrate molecules function so well as fuel for the body?

What is the 77 element on the periodtic table

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.