1. Biotic Relationships:
Community Interactions

2. Biotic Relationships
Competition
Predation
Symbiosis

3. Competition Examples:
Organisms attempt to use a resource in the same place at the same time
Examples:
Water
Nutrients
Light
Food
space

4. Predation One organisms captures and feeds on another
Predator is the killer/eater
Prey is the food

5. Symbiosis Any relationship in which two species live closely together
Three main classes:
Mutualism
Commensalism
Parasitism

6. Mutualism
Both species benefit
Example: flower and bee

7. Commensalism One benefits, the other is neither benefited nor harmed
Example: barnacles and whale
Barnacle filter feeds

8. Parasitism One benefits, the other is harmed
Parasite lives on or in the host, and obtains some/all of its nutrients from host
Examples: tapeworms, fleas, ticks, lice

9. What type of relationship?
Remora and shark
Remora uses shark for transportation and eats the shark’s leftover food

10. What type of relationship?

11. What type of relationship?

12. What type of relationship?
Clownfish clean anemones
Sea anemones provide protective habitat