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The oceans cover approximately 71% of Earth's surface and contain nearly 97% of the planet's water. In addition to being home to an enormous variety of species, they play a fundamental role in regulating the climate because they absorb and distribute large amounts of heat through ocean currents. They also participate in the carbon cycle by absorbing a significant portion of the carbon dioxide present in the atmosphere.
The ocean is divided into different zones depending on factors such as depth, light, temperature, and pressure. In areas near the surface, sunlight allows microscopic organisms called phytoplankton to carry out photosynthesis. These organisms produce oxygen and form the foundation of many marine food chains. As depth increases, sunlight decreases, the temperature drops, and pressure increases considerably.
In the deepest areas, there are environments that may seem impossible for life. Despite the absence of sunlight, some organisms can obtain energy through a process called chemosynthesis, using chemical substances released from the Earth's interior. Hydrothermal vents are an example of these environments, where communities of organisms adapted to extreme conditions can develop.
The oceans are also home to an incredible diversity of living organisms, from microscopic creatures to fish, mollusks, crustaceans, corals, and large marine mammals. However, much of the deep ocean remains difficult to study because of the enormous pressure, darkness, and extreme conditions found at great depths.
For this reason, scientists use submarines, remotely operated vehicles, and different technologies to explore these regions. Despite all the discoveries made so far, a large part of the deep ocean remains unexplored, making it one of the most mysterious and fascinating places on our planet. 🌊🔬
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2026-11-03 20:23:08