Virtually all living things on Earth are powered by the sun. The only exceptions are bacteria living in extreme conditions like near a geothermal vent, which serves as their source of power. For everything else, the sun is the raw source of energy. Plants use photosynthesis to convert solar energy into usable food. Animals derive their nutrition from plants (or other animals that ate plants), and thus the sun is the basic source of energy for most life.
There are, deep in the world’s oceans, entire communities that derive their energy not from the sun but from hydrothermal vents that seep out nutrients from the Earth’s molten core. It is the only type of life that exists on earth that does not get any energy from the sun.
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