1. Ecology

2. Ecology Study of interactions between - energy and the environment
Study of interactions between - living and non-living stuff
Study of interactions between - living organisms and how they affect the environment

3. Abiotic Factors Water – must be plentiful and usable
Soil – includes rock particles, water, air and organic (non living) materials
Temperature – suitable for life (endo- or ectothermic)
Light – radiant energy, harnessed by algae and plants
Inorganic substances – rocks, minerals, air

4. Biotic Factors All organisms in ecosystem Plants Animals Monerans
Protists
Fungi

5. Limiting Factors
Any biotic or abiotic component limits the size and complexity of the community
Water in the desert
Number of trees to nest in
Hours of daylight

6. What are the limiting factors here???

7. Energy Pyramid

8. Energy in the Ecosystem

9. The Winner is….
Decomposers – feed on everything

10. Food Chain Single strand of web (simple)
Ex Sun  Daisy  Catipillar  Cardinal  Cat  Worm

11. Food Web
Many intertwined strands (complex)