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Transcript
Aim: How Does Biodiversity Increase the Stability in an Ecosystem? What is meant by the “Circle of Life”? All living things are dependent on one another Why is this important? Why Are There So Many Different Species on Earth?2 Due to the evolution of related organisms ADAPTING TO different environments Biodiversity3 All the VARIETY OF living things in a specific area Look at the biodiversity of soil Why is biodiversity important? 4 What happens if insecticide is sprayed? All living things are interdependent on one another How do living things depended on each other? All organisms are interrelated by the food web. If one organism in the food web decreases, then others will either increase or decrease What happens to an ecosystem when biodiversity decreases? 5 Ecosystem stability decreases Stability – the ability of the different populations of organisms to survive an environmental change How does greater biodiversity maintain ecosystem stability? In an ecosystem with great biodiversity, organisms rely on more than one type of food, … 6 ..increasing their stability. Which ecosystem has greater stability? The forest has greater stability because it has greater biodiversity How is biodiversity lost? Natural disaster & human activities Why is biodiversity important to us? It ensures the availability of a rich variety of genetic material. Biodiversity has provided us with medicines, natural insecticides, & other useful resources.
