Which of the following statements is correct? see concept 32.4 (page 680) view available hint(s) which of the following statements is correct? see concept 32.4 (page 680) the origin of all extant animal phyla can be traced to the cambrian explosion. sponges are diploblastic animals. all animals share a common ancestor. eumetazoans have three embryonic tissue layers. most animal phyla belong to the clade radiata.

All animals share a common ancestor.

Explanation:

All living organisms including animals have evolved from common ancestral organism. It is evident from various researches in relation evolutionary diversification of species.  The process by which numerous variety of species are formed from a common ancestor is known as speciation. The attached diagram showing the phylogeny tree of life is a solid evidence of common ancestral origin of life.

i do not know and i have a 100 in this class

amber has allowed scientists to study dna that has been preserved over millions of years.