An earthworm and a snake both possess which o the following characteristics?
(A) Radial symmetry
(B) Dorsal tubular nervous system
(C) Closed circulatory system
(D) Chitinous exoskeleton
(E) Scales

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]