Final answer:
Countershading is an adaptation typically found in the sunlight zone as it provides camouflage for prey from predators below.
Step-by-step explanation:
Countershading is an adaptation typically found in the sunlight zone because it provides camouflage for prey from predators below them. Countershading occurs when an animal's coloration is darker on its upper side and lighter on its lower side. This helps the animal blend in with its environment and makes it harder for predators to spot them.
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