Q:You are presented with the question "Which of the following does not have an anterior and posterior end?" and the following answer choices: - Adult mammals - Adult reptiles - Adult birds - Adult echinoderms - Earth orbiting the Sun - an erupting volcano - peachleaf willow - sensory neurons Now knowing that adult echinoderms have radial symmetry and animals with radial symmetry lack an anterior and posterior end, choose the best answer.
A:
Adult echinoderms