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In the first segment that covers the top part of the ocean the whale sharks producers serve as the basis of the food chain. In the top layer of the ocean enough sunlight hits the water which makes it a good place for planktons to grow. These planktons are then eaten by the whale sharks.
Answer:
Rods and cones
Explanation:
The retina contains the light sensitive cells, the cones and rods. It is here that an image is formed. Rods contain the photochemical pigment rhodopsin for dim light vision. Cones contain the photochemical pigment iodopsin for bright light and colour vision.
