Answer :
Final Answer:
The bottom layer of the ocean in the provided diagram is called the Abyssal zone,thus the correct option is b) Abyssal zone.
Explanation:
The ocean is divided into several zones based on the depth, temperature, and sunlight availability. The Abyssal zone is the lowest layer of the ocean zone, extending from 3,000 to 6,000 meters below the surface. It is a pitch-black region with a temperature close to freezing and extreme pressure.
The Abyssal zone is characterized by a flat and muddy ocean floor, which is home to a variety of bizarre and fascinating creatures like abyssal squid, giant tube worms, and anglerfish. Due to the extreme conditions, these organisms have adapted to survive in these deep, dark waters.
Thus the correct option is b) Abyssal zone.
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