1. © 2004 Plano ISD, Plano, TX Warm Up 1. What non living things do you depend on for survival? 2. What living things do you depend on for survival? 3. Look at the picture here on the overhead What organisms are living? What organisms are not living? Create a long list!

2. © 2004 Plano ISD, Plano, TX Essential Question: What are the parts that make up an ecosystem? Objective: You will be able analyze an aquatic ecosystem in order to identify abiotic and biotic relationships effect the health of an ecosystem.

3. Yell whether the following LIVING or NOT LIVING!! Say the organism if you know it, too!

4. © 2004 Plano ISD, Plano, TX “Ecology Notes-Populations & Communities” Set up to take Cornell Notes. “Ecology Notes-Populations & Communities” Set up to take Cornell Notes. Key ?’s you have to memorize for quizzes/tests etc. The new information. The grade for your notes. Your ability to summarize the new information!

5. © 2004 Plano ISD, Plano, TX What is an ecosystem? An ecosystem includes all abiotic and biotic factors in one particular environment

6. © 2004 Plano ISD, Plano, TX An environment that provides what an organism needs to live, grow, and reproduce. One area may contain many different organisms. Organisms live in different habitats b/c they have different requirements for survival. What is a habitat?

7. © 2004 Plano ISD, Plano, TX Why do the following live in different habitats? What are their needs? 1.Shark vs. bear 2.Whale vs. crabs 3.Algae vs. sunflowers

8. © 2004 Plano ISD, Plano, TX What are Biotic Factors? Bio bio root =life Biotic factors are LVIVING! This includes plants, animals, fungi, microorganisms.

9. © 2004 Plano ISD, Plano, TX Examples of Biotic Factors

10. © 2004 Plano ISD, Plano, TX What are Abiotic Factors? Abiotic factors are NOT LIVING. This includes air, water, soil, temperature, wind, source of energy (usually sun) A A aprefix not, without

11. © 2004 Plano ISD, Plano, TX Examples of Abiotic Factors

12. © 2004 Plano ISD, Plano, TX Levels of Organization smallest unit of living things group of similar cells organized to work together group of different kinds of tissues working together group of organs working together one individual living thing all organisms of the same kind living in one area all interacting populations in an ecosystem all living and nonliving things interacting within a certain area large region with typical plants, animals, & climate; includes many ecosystems cell

13. © 2004 Plano ISD, Plano, TX RECAP: Ecosystem includes all abiotic and biotic factors in one particular environment Biotic Factors the living parts of an ecosystem Abiotic Factors the nonliving parts of an ecosystem

14. © 2004 Plano ISD, Plano, TX Examples of Ecosystems Mountains in Colorado Coral Reef in Belize

16. Notes Summary: Use this picture in order to explain how abiotic and biotic factors build an ecosystem. This will become a permanent part of your notes.

17. © 2004 Plano ISD, Plano, TX Exit Quiz-Old HSA Questions 8 questions. Write the key word. Write your best answer. Be sure to use your notes.

18. © 2004 Plano ISD, Plano, TX One last thing about Ecosystems BioticBioticAbioticAbiotic migration, seed dispersal flood, erosion, drought can change daily as things move from one ecosystem to another

19. Extra Extension activity: You are a scientist who is studying various ecosystems. As part of your research, you need to identify as many BIOTIC and ABIOTIC factors as possible. Using the magazines provided, glue, scissors, and construction paper, make a collage of at least 5 abiotic and 5 biotic factors.