1. Abiotic and Biotic Factors

2. Essential Question What affects our environment? What affects our environment?

3. Ecology Ecology studies the: Ecology studies the: –Interactions of organisms –And their environment

4. Biosphere BIO = BIO = –Life SPHERE = SPHERE = –Round

5. Biosphere The biosphere is the portion of the earth that supports life. The biosphere is the portion of the earth that supports life. Includes areas extending from high in the atmosphere to the bottom of the oceans. Includes areas extending from high in the atmosphere to the bottom of the oceans.

6. Parts of the Environment Environments include both non-living and living parts. Environments include both non-living and living parts.

7. Parts of the Environment The non-living parts of the environment are called abiotic factors. The non-living parts of the environment are called abiotic factors. Wind Wind

8. Abiotic Factors Temperature Temperature Moisture Moisture

9. Abiotic Factors Sunlight Sunlight Soil Soil

10. Parts of the Environment The living parts of the environment are called biotic factors. The living parts of the environment are called biotic factors. Animals Animals

11. Biotic Factors Plants Plants Fungus Fungus

12. Biotic Factors Protists Protists Microscopic Organisms Microscopic Organisms

13. Parts of the Environment Biotic factors and abiotic factors depend on each other Biotic factors and abiotic factors depend on each other If one factor is disturbed, other parts of the environment are affected If one factor is disturbed, other parts of the environment are affected

14. Parts of the Environment How could a lack of moisture (drought) affect the organisms (plant and animal) that live in a grassland area such as Kansas? How could a lack of moisture (drought) affect the organisms (plant and animal) that live in a grassland area such as Kansas?

15. Summary What affects our environment? What affects our environment?

16. 1 – Abiotic 2 – Biotic Saltiness of water (salinity) Saltiness of water (salinity)

17. 1 – Abiotic 2 – Biotic Population of Vultures Population of Vultures

18. 1 – Abiotic 2 – Biotic A moss covered area A moss covered area

19. 1 – Abiotic 2 – Biotic Temperature Temperature

20. 1 – Abiotic 2 – Biotic Soil Content Soil Content

21. 1 – Abiotic 2 – Biotic Population of humans Population of humans

22. 1 – Abiotic 2 – Biotic Amount of sunlight per day Amount of sunlight per day

23. 1 – Abiotic 2 – Biotic Competition for Food Competition for Food

24. 1 – Abiotic 2 – Biotic Availability of Crops Availability of Crops

25. 1 – Abiotic 2 – Biotic Amount of Rainfall Amount of Rainfall

26. nps.gov National Park Research Abiotic Factors What are the average temperatures and precipitation? What are the average temperatures and precipitation? Is there a source of water? What is it? Fresh or Salt Water? Is there a source of water? What is it? Fresh or Salt Water? Do factors such as wind, rain, storms, etc. affect the area? Do factors such as wind, rain, storms, etc. affect the area? Are things like fire, mudslides, pollution, etc. common? Are things like fire, mudslides, pollution, etc. common? What is the soil like – sandy, clay, fertile, etc.? What is the soil like – sandy, clay, fertile, etc.? Biotic Factors What wildlife is common there? What wildlife is common there? What are the populations of wildlife like? What are the populations of wildlife like? Is there competition between different types of animals? If so, what? Is there competition between different types of animals? If so, what? What types of plants grow there? What types of plants grow there? What do the animals eat – other animals, plants, etc.? What do the animals eat – other animals, plants, etc.?