A scientist is studying an aquarium ecosystem that contains water, plants, and fish that eat those plants. The aquarium has glass walls so light can get in, but it is sealed so no material can move into or out of the tank. When the scientist turned the aquarium's light on, carbon dioxide in the water started decreasing. Is photosynthesis taking place? What is happening to the amount of carbon in the living things inside the aquarium? How is carbon moving?
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A scientist is studying an aquarium ecosystem that contains water, plants, and fish that eat those plants. The aquarium has glass walls so light can get in, but it is sealed so no material can move into or out of the tank. When the scientist turned the aquarium's light on, carbon dioxide in the water started decreasing. Is photosynthesis taking place? What is happening to the amount of carbon in the living things inside the aquarium? How is carbon moving?
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