With the current molecular-based phylogeny in mind, rank the following from most inclusive to least inclusive.
1)ecdysozoan
2)protostome
3)eumetazoan
4)triploblastic
A) 4, 2, 3, 1
B) 4, 3, 1, 2
C) 3, 4, 1, 2
D) 3, 4, 2, 1
E) 4, 3, 2, 1

Question

Quizplus · Accepted Answer

Eumetazoans include all animals except sponges, triploblastics are a subset of eumetazoans with three germ layers, protostomes are a subset of triploblastics that develop the mouth first, and ecdysozoans are a subset of protostomes that molt their exoskeleton.

With the Current Molecular-Based Phylogeny in Mind, Rank the Following