Ecosystem
Write On Grade 5
Learner Expectations
• Content Standard: 2.0 Interactions Between Living Things and Their Environment. • The student will investigate how living things interact with one another and with non-living elements of their environment. • Learning Expectations: • 2.1 Investigate the relationships among organisms in a specific ecosystem.
In this activity you will:
• Learn how living things interact with one another and with nonliving elements of their environment. • Write a paragraph using three facts you learned from this presentation.
What is a Population?
• A population is one species living in a specific area. • For example, all foxes living in an area form a population. • Another example, all dandelions growing in an area form another population.
What is a Community?
• A community is formed from all living populations found in an area. • All the foxes, dandelions, grasshoppers, snakes, hawks, deer, and skunks living in one area each form their individual populations, but together make up a community.
What is a Ecosystem?
• An ecosystem is formed by the interactions between all living and non-living things • How do living and non-living things interact in an environment?
What is Ecology?
• Ecology is how living and non-living things affect each other in their environment. • We have already named several living things found in a community. Can you name non-living things in your community?
Non-living parts of your community
• • • • • Buildings Roads Bodies of water Automobiles Traffic lights
How non-living and living things affect each other
• Building more homes drives many animals out of their natural habitats or communities. • Littering can destroy an animals habitat. • Air pollution from automobiles and factories will affect the quality of life for all living things in a community, including people.
Writing Activity
• Write a paragraph about the effects that living and non-living things have on each other. Include three facts from this presentation and one fact that you discovered on your own.