Which of the Following Statements is Incorrect with Respect to Animal

Question

Which of the following statements is incorrect with respect to animal phylogeny?
A)Sponges are basal animals.
B)Eumetazoans are animals with "true tissues."
C)The clade Bilateria contains the majority of animal phyla.
D)Only vertebrates belong to the clade Deuterostomia.
E)B and D

Accepted Answer

The statement "Only vertebrates belong to the clade Deuterostomia" is incorrect as the clade Deuterostomia includes not only vertebrates but also echinoderms, hemichordates, and other non-vertebrate animals.