Which one of the following features would indicate that an animal is not a protostome?
A)bilateral symmetry
B)open or closed circulatory system
C)blastopore opens into the archenteron
D)three primary tissue layers
E)body parts arranged around a central axis

Question

Quizplus · Accepted Answer

Protostomes typically have bilateral symmetry, whereas radial symmetry (body parts arranged around a central axis) is characteristic of non-protostomes like cnidarians and echinoderms.

Which One of the Following Features Would Indicate That an Animal