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Biological Communities Chapter 17 Pre AP Biology Spring ‘13

Biological Communities Chapter 17 Pre AP Biology Spring ‘13

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Page 1: Biological Communities Chapter 17 Pre AP Biology Spring ‘13

Biological Communities

Chapter 17

Pre AP Biology

Spring ‘13

Page 3: Biological Communities Chapter 17 Pre AP Biology Spring ‘13

Predator-Prey• Predation is a relationship between 2 organisms in which

one is being consumed so that the other can gain energy.• The predator does the eating, the prey gets eaten.

Page 4: Biological Communities Chapter 17 Pre AP Biology Spring ‘13

Symbiotic Relationships

• Symbiosis – when two or more species live together in a close, long-term association.

• Three major kinds of symbiosis:

1. Parasitism

2. Mutualism

3. Commensalism