The previous figure shows a chart of the animal kingdom set up as a modified phylogenetic tree. Use the diagram to answer the following questions.
-Which of these is the basal group of the Eumetazoa?
A) I
B) II
C) III
D) IV
E) V

Question

The previous figure shows a chart of the animal kingdom set up as a modified phylogenetic tree. Use the diagram to answer the following questions.
-Which of these is the basal group of the Eumetazoa?
A) I 
B) II 
C) III 
D) IV 
E) V

Quizplus · Accepted Answer

The basal group of the Eumetazoa is the sponges (Porifera), which are considered the simplest form of multicellular animals. They lack true tissues and organs found in more complex animals, placing them at the base of the Eumetazoan evolutionary tree.

The Previous Figure Shows a Chart of the Animal Kingdom