Which of the following is NOT an adaptation that plants use to maximize photosynthesis? a) Transparent cuticle

b) A thick lower and upper epidermis

c) Tightly-pack palisade cells

d) Leaves have surface area to volume ratio.

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.