Shining a light on tiny, solar-powered animals

Animals and plants need energy. Some animals get energy by eating other animals, and many plants harvest the energy in sunlight through photosynthesis. However, in the ocean, there exists a remarkable group of small, worm-like animals called acoels that do both; some acoels form relationships (symbiosis) with single-celled, photosynthetic microalgae.


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Source: Phys.org