One thing that the information-processing theory, vygotsky's sociocultural theory, and piaget's developmental theory have in common is that they are all theories.

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.

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

Plz quick a natural resource that is replaceable through a cycle in nature or sustainable practice is called a? the subject is science