Which of the following terms is mismatched with its meaning or characteristics?
A)Diploblastic-ectoderm and mesoderm
B)Triploblastic-ectoderm,mesoderm,and endoderm
C)Parazoa-lacks symmetry; no tissues
D)Eumetazoa-definite symmetry; tissues organized
E)Chordate-animal with notochord

Question

Quizplus · Accepted Answer

Diploblastic animals have only two germ layers, including ectoderm and endoderm, not mesoderm.

Answer: C
 Parazoa is a group of animals with no tissues, but they do not necessarily lack symmetry. Some parazoans, such as sponges, can have radial or asymmetrical symmetry.

Answer: E
 Chordates are defined by the presence of a notochord at some stage of their development. They may also have other characteristics such as a dorsal hollow nerve cord and pharyngeal pouches.

Which of the Following Terms Is Mismatched with Its Meaning