1. Organisms and Their Environment

2. Standards
S7L4 Students will examine the dependence of organisms on one another and their environment.

3. Learning Goals
Distinguish between the biotic and abiotic parts of the environment.
Explain how the five levels of environmental organization are related.
Describe how the abiotic parts of the environment affect ecosystems.

4. Essential Question
How do living and non-living factors interact?

5. What is Ecology??
The study of interactions that take place between organisms and their environment.
Ecology explains how living organisms affect each other and the world they live in.

6. What are Biotic Factors?
Biotic factors all the living organisms that inhabit an environment.
All organisms depend on others directly or indirectly for food, shelter, reproduction, or protection.

7. What are Abiotic Factors?
Abiotic factors are the nonliving parts of an organism’s environment.
Examples include air currents, temperature, moisture, light, and soil.
Abiotic factors affect an organism’s life.

8. Habitat & Niche Habitat is the place a plant or animal lives
Niche is an organism’s total way of life

9. Levels of Organization

10. What are the Simplest Levels?
Atom
Molecule
Organelle
Cell
Tissue
Organ
System

11. What are the Levels of Organization?
Organism
Population
Community
Ecosystem
Biosphere

12. 1st Level of Organization
Organism: An individual living thing that is made of cells, uses energy, reproduces, responds, grows, and develops

13. 2nd Level of Organization
Population: A group of organisms, all of the same species, which interbreed and live in the same place at the same time.

14. 3rd Level of Organization
Community: All the populations of different species that live in the same place at the same time.

15. 4th Level of Organization
Ecosystem: Combination of biotic factors interacting withthe abiotic environment. (terrestrial or aquatic)

16. 5th Level of Organization
Biosphere: The portion of Earth that supports life.

17. The Biosphere
Life is found in air, on land, and in fresh and salt water.
The BIOSPHERE is the portion of Earth that supports living things.

18. Ecology Vocabulary Review

19. What level of organization?
Organism

20. Abiotic or Biotic?
Biotic

21. Abiotic or Biotic?
Abiotic

22. What level of Organization?
Community

23. Abiotic or Biotic?
Biotic

24. What level of Organization?
Population

25. Abiotic or Biotic?
Abiotic

26. Abiotic or Biotic?
Biotic

27. What level of Organization?
Population

28. What do you see….?