They are areas where the flow of water, the cycling of nutrients, and the energy of the sun produce a rich variety of plant and animal life.
(They; are; areas where the flow of water, the cycling of nutrients, and the energy of the sun produce a rich variety of plant and animal life) (the flow of water, the cycling of nutrients, and the energy of the sun; produce; a rich variety of plant and animal life; L:areas)
They the flow of water, the cycling of nutrients, and the energy of the sun
are produce
areas where the flow of water, the cycling of nutrients, and the energy of the sun produce a rich variety of plant and animal life
a rich variety of plant and animal life L:areas