Answer the following question: You are presented with the question "What do echinoids lack?" and the following answer choices: - characteristics - centralized nervous system - permineralization - the body's largest organ - biological diversity - that material's properties - aerobic capacity - organic matter Now knowing that echinoderms lack a centralized nervous system and another group of echinoderms are the echinoids, choose the best answer.
Answer:
centralized nervous system