1. Relationships in an Ecosystem

3. SYMBIOSIS A relationship where 2 species live closely together.

4. SYMBIOSIS 3 TYPES: parasitism commensalism mutualism

5. PARASITISM relationship where one organism feeds on the tissues or body fluids of another. Parasitism harms one organism and benefits the other. SYMBIOSIS

6. HOST The organism on which a parasite feeds. SYMBIOSIS: PARASITSM

7. A parasite may even kill its host. Most do not. SYMBIOSIS: PARASITISM: HOST

10. COMMENSALISM relationship where one organism benefits and the other is neither benefited nor harmed SYMBIOSIS

13. MUTUALISM relationship where both species benefit SYMBIOSIS