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commensalism
commensalim is when one benefits and the other IS NOT harmed. mutalism is when both benifit.
when a organism is helped or harmed you call it a parasite
This is called a predator-prey relationship.
When one organism benefits and the other is harmed.
parasitism
One species benefits and other is harmed
When one organism benefits and the other is harmed.
a parasitic relationship
commensalism
Parasitism
parasitism
A natural relationship in which one organism lives in or on another organism and benefits from the relationship while the other organism may be harmed is a parasitic relationship.
A parastitic relationship. This is a relationship in which one organism benefits at the other's expense; such as barnacles attaching to whales, or fleas that need the host to feed.
parasitism
parasitism
*parasitism is where one animal is helped while other is harmed* commensalism is where one is helped and other is not really affected mutualism is where both animals are helped