Ecosystem

1
Ecosystem

• Grade 5

2
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.

3
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.

4
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?

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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?

6
Non-living parts of your community

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

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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.