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Mutualism, Parasitism, Commensalism Mutualism • Mutualism- interaction between two or more species where both species benefit from one another • • • ExampleClownfish and Sea Anemone (protection) Parasitism • Parasitism- is the interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed. • Example- Hookworm and humans. It attaches to the small intestine and takes your nutrients! Commensalism • Commensalism-interaction between two organsisms where one benefits and the other is not affected. • Example- Sea Cucumber and pearl fish. The pearl fish reproduces inside the sea cucumber and as an adult enters to hide from prey. Pollution and Conservation • Pollution- the release of environmental contaminants. What are the causes of pollution? • • • • • • Car emissions Construction dust Gas powered lawn mowers Burning Fossil Fuels Rapid Growth Heat (makes the particles rise) How can you conserve? • Conservation- movement seeking to protect plant and animal species as well as the habitats they live in. • Fuel Economy- Hybrids • Reduce, Reuse, Recycle