. Why is biodiversity important to Humans - It is evident that humans rely on the environment for our survival, and the environment exhibits Biodiversity, which is fundamental and beneficial for improving the quality of human life. Humans benefit from the biodiversity of the environment in that it produces a variety of products that meet our needs for survival, such as food (plants and animals) from the environment and some supply of food that is produced from the cultivated crops, shelter and warmth provided by the woods that can be used to build houses and wool to be used for clothes to provide warmth that is essential due to the changing conditions of the environment, specifically the climate, as well as variety of medicinal plants that allow the experts to conduct researches to verify its efficacy and use as cures for diseases. Furthermore, it also provides clean and drinkable water, fertile soil for crop vegetation and breathable air. The productivity of natural and agricultural systems - The biodiversity of the Earth contributes to the natural and agricultural systems' production by serving as an agent of productivity as well as pest control and regulation agency, to avoid the destruction of productivity within the environment. Species of bats, insects, and birds act as pollinators, which contribute significantly to biodiversity through germination of plants and flowers and assure a diverse range of crops produced. Furthermore, predator animals and parasites regulate various pests in the environment and assure the flow of energy, which is an important aspect in the food web. Furthermore, there are decomposing agents in the environment such as bacteria and fungi that enable the return or recycling of organic material from deceased living species to the soil to be digested and consumed by other organisms for survival. Evolution - Genetic diversity is the level of biodiversity that ensures the diversity of genes within an individual which contributes significantly on the evolution of different organisms, which has a significant impact on the evolution of various organisms. Genetic variety ensures natural selection within species of organisms in a population and produces diverse qualities of an organism that contribute significantly to the organism's survival and reproduction ability to be handed down to the next generation of that specific organism.