Ecosystem

1
Ecosystem

• Write On Grade 5

2
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.

3
In this activity you will

• Learn how living things interact with one another
  and with non-living elements of their
  environment.
• Write a paragraph using three facts you learned
  from this presentation.

4
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.

5
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.

6
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?

7
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?

8
Non-living parts of your community

• Buildings
• Roads
• Bodies of water
• Automobiles
• Traffic lights

9
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.

10
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.