1. Mutualism (+/+): In a mutualistic relationship, both organisms involved benefit from their association with each other. For example, cleaner fish and larger fish have a mutualistic relationship where the cleaner fish eat parasites off the larger fish, benefiting both parties.
2. Commensalism (+/o): In a commensal relationship, one organism benefits while the other is neither harmed nor helped. An example of commensalism is barnacles that attach themselves to a whale's skin to catch food particles in the water, without harming or benefiting the whale in any way.
3. Parasitism (+/-): In a parasitic relationship, one organism benefits at the expense of the other. The parasite benefits by taking nutrients or resources from the host, while the host is harmed. An example of parasitism is a tick feeding on the blood of a mammal, which can cause harm or transmit diseases to the host.
List and describe the three symbiotic relationships. (+/+, +/o, +/-)
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