1. AP Biology Community Ecology: Chapter 54

2. Community All of the living organisms that interact within a particular place All of the living organisms that interact within a particular place Introduction: Reading of Carson’s Silent Springs & Controversy of DDT video: Introduction: Reading of Carson’s Silent Springs & Controversy of DDT video: https://www.youtube.com/watch?v=kyYpwOTtaLI https://www.youtube.com/watch?v=kyYpwOTtaLI https://www.youtube.com/watch?v=kyYpwOTtaLI

3. Relationships between organisms…define and give an example of each! Predation Predation Competition Competition Interspecific Interspecific Intraspecific Intraspecific Symbiosis Symbiosis Mutualism +/+ Mutualism +/+ Commensalism +/o Commensalism +/o Parasitism +/1 Parasitism +/1

4. Feeding Relationships Pyramids of production activity (Chapter 55) Pyramids of production activity (Chapter 55) Identify an aquatic food web from the list below. Label each trophic level and diagram the flow of energy within the food web. Identify an aquatic food web from the list below. Label each trophic level and diagram the flow of energy within the food web. Estuary Estuary Open Ocean (marine) Open Ocean (marine) Salt Marsh Salt Marsh Lake (fresh water) Lake (fresh water) Follow-up activity: Are certain foods “greener” to eat? Follow-up activity: Are certain foods “greener” to eat?

5. Biomagnification How is the bioaccumulation of toxins, different than the transfer of energy? How is the bioaccumulation of toxins, different than the transfer of energy?

6. Follow-up Activity Observation of PCB bioaccumulation and its effects on a marine ecosystem. Observation of PCB bioaccumulation and its effects on a marine ecosystem.

7. Biogeochemical Cycles Bio— Geo—Chemical –- Bio— Geo—Chemical –- Cycle Cycle Water—unique…same type of matter just physical changes! Water—unique…same type of matter just physical changes! Phosphorous—unique, does not cycle into the atmosphere! Phosphorous—unique, does not cycle into the atmosphere! Nitrogen & Carbon—cycling between living things, soil, and atmosphere. Biological processes are essential. Nitrogen & Carbon—cycling between living things, soil, and atmosphere. Biological processes are essential. Nitrogen Cycle: Role of Microorganisms Nitrogen Cycle: Role of Microorganisms Carbon Cycle: Link to global warming! Carbon Cycle: Link to global warming!

8. Review: Ecological Succession Mastering Biology Chapter 54. Mastering Biology Chapter 54. Primary Succession activity. Primary Succession activity. What are some other examples of succession??? What are some other examples of succession??? When did we learn about succession? When did we learn about succession?