The sun is the main energy source for food chains and food webs as it fuels photosynthesis for plants and subsequently provides energy to other organisms.
The sun is the ultimate source of energy for food chains and food webs because it provides plants with the energy they need through photosynthesis. This energy is then transferred to consumers like animals, which eat the plants or other animals. Ultimately, all life forms, including humans, depend on the sun's energy to sustain themselves within the ecosystem.
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