A biotic factor is a living thing that has an impact on another population of living things or on the environment. Abiotic factors do the same thing, but they are non-living. Together, biotic and abiotic factors make up an ecosystem. To survive, biotic factors need abiotic factors.
The answer is A
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The plant would be a plant that will need water for example a cactus doesnt need waterbso it survives in the desert but the plant has to need a lot of water
Through cellular respiration animals produce carbon dioxide which is used for the calvin cycle in photosynthesis of plants.
