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Def a type of symbiotic relationship, or long-term relationship between two species, where one member, the parasite, gains benefits that come at the expense of the host member. 

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Def a type of symbiotic relationship, or long-term relationship between two species, where one member, the parasite, gains benefits that come at the expense of the host member. 

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Interaction between organisms, populations, or species, in which birth, growth and death depend on gaining a share of a limited environmental resource.

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Ex  Fleas or ticks that live on dogs and cats are parasites.

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Ex  Fleas or ticks that live on dogs and cats are parasites.

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Ex Most species of cockatoos will lay their eggs in the nests of other birds

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symbiosis that is beneficial to both organisms involved.

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Predator is an organism that eats another organism. Prey is the organism which the predator eats.

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Predator is an organism that eats another organism. Prey is the organism which the predator eats.

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A predator is an organism that eats another organism. The prey is the organism which the predator eats

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ex-cheetahs and lions since both feed on similar prey.

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ex-cheetahs and lions since both feed on similar prey.

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including regulating elections, taxing, borrowing money and establishing courts.

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including regulating elections, taxing, borrowing money and establishing courts.