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| Parasitism is an interaction between two organisms where one benefits at the expense of the other. | Symbiosis is a close and long-term biological interaction between two different biological organisms, which may be beneficial to both. |
| In this interaction, the organism that benefits is known as the parasite, while the organism that is harmed is referred to as the host. | In this relationship, both organisms involved are referred to as symbionts. |
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| Fleas on dogs, ticks on humans, and tapeworms in the intestines of their hosts are all examples of parasitism. | Clownfish and sea anemones, bees and flowers, and oxpeckers and rhinos are all examples of symbiotic relationships. |
For more related topics, explore Testbook’s Biology .
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