Hiw does life survive pressure abyss12/25/2023 ![]() ![]() It is generally a very dim region, but it does receive a sliver of sunlight at the midday point which is enough for photosynthesis to occur. The twilight zone or the mesopelagic zone begins at 200 meters and extends downward to 1,000 meters, making up approximately 20% percent of the ocean’s total depth. The surface zone is where the majority of commercial fishing takes place and is home to many kinds of animals, including whales, dolphins, and sharks, many of whom frequently break the ocean’s surface. Depending on location, the temperature of the epipelagic zone can go as high as 97 degrees Fahrenheit or drop as far 28 degrees.Enough sunlight penetrates this layer for algae to utilize photosynthesis, which in turn creates roughly 50% of the oxygen in our atmosphere. An abundance of natural light also generates heat, which penetrates deeper waters due to the movement of the wind. It is also regarded as the warmest layer. At midday, it is practically fully lit by the sun, hence called the sunlight zone. Aptly named for its position at the surface level, this sunlight zone, also called the surface zone or epipelagic zone, extends downward 200 meters or roughly 5% of the ocean’s average depth. ![]()
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