Different animals eat different types of food, if there was only one type of animal then they would use up all of their resources consuming one product. Biodiversity provides us with a variety of animals, all of which have different diets, which evens out the amount of products consumed.
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The Importance of Freshwater Ecosystems. Water ecosystems, specifically freshwater ecosystems, are some of the most important resources in the replenishment and purification of water sources used by humans. ... One of the main functions of wetlands is to remove metals and sediments that make their way into water.