Many factors make up a healthy ecosystem. An ecosystem involves many biological and chemical levels that each work off each other in order to survive. If one of these factors is unbalanced, it could affect the ecosystem as a whole. A healthy ecosystem starts with the sun, whose energy is used to grow plants (producers). These plants convert carbon dioxide to oxygen, which is essential to all living things, and are then eaten by insects and animals (consumers), which are then eaten by other animals (secondary consumers). Biodiversity is a very essential part to a healthy ecosystem. Different kinds of herbivores keep the plant population in check, and a diverse population of carnivores will help keep the herbivores in check so they do not eat all of the plants. Every species has is own very important job. If one, or many, are removed, then the ecosystem will become imbalanced, and thus, will have a much harder time surviving. Other important factors are the soil (if too many nutrients are removed from the soil due to erosion or soil depletion due to farming, then less plants will be able to grow); minerals that provide nutrients to plants and animals; a healthy atomosphere that provides enough oxygen to all inhabitants; and just the right amount of sun to evaporate just enough water, provide just enough heat, and create photosynthesis.
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