animal plant interactions

1. How Living Things Interact in Ecosystems Carbon Dioxide – Oxygen Cycle Animal Plant Interactions

2. Carbon Dioxide – Oxygen Cycle when things interact, they come into contact with and affect one another living things interact with non-living things in their environment

3. Carbon Dioxide – Oxygen Cycle Plants and Animals depend on each other to survive

4. Carbon Dioxide – Oxygen Cycle Plants need carbon dioxide to make their own food Plants give off oxygen. Animals and Humans need oxygen to breathe Animals and Humans breathe out carbon dioxide

5. Animal Plant Interactions In an ecosystem populations of living things interact to get resources Population – all the organisms of a species living in the same area.

6. Animal Plant Interactions Resource – something that a living thing needs to stay alive. examples: food, water, living space, sunlight Plants not only supply a source of food but they also provide shelter

7. Animal Plant Interactions Animals depend on plants but plants also depend on animals. Animals provide nutrients for plants when animals die Animals help plants reproduce

8. Animal Plant Interactions Changes that affects plants also affects animals If trees in a forest are cut down birds & insects lose their shelter.