Which statement is inconsistent with invertebrate animals?
A) Invertebrates lack a nervous system.
B) The vast majority of animal species are invertebrates.
C) Many invertebrate species live in a marine environment.
D) Most animal phyla are invertebrates.
E) All major invertebrate groups arose from protistan ancestors.

Question

Quizplus · Accepted Answer

Invertebrates, despite lacking a backbone, do possess a nervous system. This system can range from simple nerve nets in cnidarians (like jellyfish) to more complex structures in other groups, such as the cephalopod mollusks (like octopuses), which have highly developed brains.

Which Statement Is Inconsistent with Invertebrate Animals