Plants need carbon dioxide, water and sunlight (for energy) to complete photosynthesis, which takes place on the green leaves of a plant. Did you know that it is something called chlorophyl that makes plants green?Plants then release oxygen into the environment as a bi-product of photosynthesis. Animals need this oxygen to survive. Plants get their carbon dioxide mostly from animals in return. Photosynthesis allows plants to make sugar or glucose, which helps them grow.
Food chains are the path of energy from one organism to another, and a food web is an overlapping of food chains in the ecosystem. Producers are the first part of the food chain, they take their energy from the sun and make their own food. The consumers are in the middle of the food chain, consuming other organisms for energy. The last part of the food chain are the decomposers, they digest decaying organisms.
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