Principles of Ecology. What is ecology?. Ecology : study of interactions that take place between organisms and their environment. Habitat vs. Niche. Habitat : place where organism lives Niche : role or position a species has in its environment.
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Clownfish is protected, while providing a lure for the anemone.
Some say that this relationship can be commensalistic.
Typical examples: fungus and bacteria
berries → mice → black bear
Copy food web in your notebook
2. Analyze the food web and Explain the balance that is upset when a major predator is removed from an ecosystem.
Pyramid of Energy
Parasites, scavengers, and decomposers feed at each level.
Cyclical process, whereby matter (carbon) is recycled in the environment.
The nitrogen cycle mostly takes place underground