Biology, 07.09.2019 01:10 FlayMaster101

The ocean floor can be up to 10,000 meters in depth. light does not penetrate beyond 200 meters below the ocean's surface. oxygen levels can also be limited far below the ocean's surface. however, complex food chains can exist below the ocean's surface, even in the deepest areas of the ocean floor. what statement below best explains this phenomenon?
a) photosynthesis occurs at the ocean floor as bacteria use solar energy to convert carbon dioxide into carbohydrates.
b) chemosynthesis occurs at the ocean floor as bacteria use h2s to convert carbon dioxide into carbohydrates.
c) photosynthesis occurs at the ocean floor as phytoplankton use solar energy to convert carbon dioxide into carbohydrates.
d) chemosynthesis occurs at the ocean floor as phytoplankton use h2s to convert carbon dioxide into carbohydrates.
hint* phytoplankton are floating algae and photosynthetic organisms

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Hunting in the darksome fish rely on senses beyond sight. in the darkness of the marianas trench, a fish called the rattail has an extremely sensitive sense of smell. the fish uses scent, rather than sight, to steer toward food. once it's near food, the rattail uses a special organ on the bottom of its chin to guide itself by feel.marine snowone staple of the deep sea diet is "marine snow," flakes of organic, edible substances that sink down from the upper ocean. animals at the ocean's bottom find sustenance in everything from the bodies of dead creatures to fecal matter. marine snow is diverse enough to support numerous species. for instance, several species of snails and worms feed exclusively on deceased whales.microorganismsthe deep sea is an intricate ecosystem, and even the ocean floor itself plays a part. hydrothermal vents are cracks in the sea floor where erupting magma mixes with ocean water to produce plumes of hot, sulfur-rich chemicals. some microbes can use these chemicals for energy, sustaining their existence and that of the animals who depend on their roles in the deep sea food chain.

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producers within ecosystems are essential as they are at the base of the food chain. plants are examples of producers. they use the process of photosynthesis to capture light energy and use it to convert simple inorganic substances (carbon dioxide and water) into organic substances (glucose).

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