Mr. Burton 3.3 Notes

1. Mr. Burton3.3 Notes Please Grab:1. Your folder.2. Writing Utensil.3. Answer the following question: Identify one thing you have done nice for someone today.

2. Existence of life on earth • Plants and animals live where they are suited to the environment, or surroundings. • Factors such as temperature, rainfall, and soil conditions limit options of where they can live. • All plants and animals are adapted to specific environments. • Ecosystem—a group of plants and animals that depend on each other for survival and the environment in which they live • Formed from interconnections between living things and the environment • Can be any size and can occur wherever air, water, and soil support life

3. Changes in ecosystems Ecosystems exist in a fragile balance; a small change to one part can affect the whole system. • People can affect ecosystems in many ways. Some actions can destroy a habitat—the place where a plant or animal lives. Extreme changes in ecosystems can cause species to die out, or become extinct. Many countries are working to balance people’s needs with the needs of the environment.

4. Importance of soil • Soils help determine what plants will grow and how well. • Fertile soils are rich in minerals and humus, decayed plant or animal matter. • Support abundant life • Soils can lose fertility in many ways. • Erosion • Planting the same crops over and over • When soil becomes worn out, it cannot support as many plants. • Can lead to desertification, the spread of desert like conditions

5. Exit Slip • How can the change of a habitat affect a persons/animals life and why. • **Minimum three sentences.**