commensalism
when a organism is helped or harmed you call it a parasite
This is called a predator-prey relationship.
commensalim is when one benefits and the other IS NOT harmed. mutalism is when both benifit.
This is called parasitism.
When one organism benefits and the other is harmed.
One species benefits and other is harmed
a parasitic relationship
commensalism
parasitism
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.
parasitism
parasitism
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.
Commensalism is a type of relationship where one organism benefits while the other is neither helped nor harmed. In contrast, parasitism is a relationship where one organism benefits at the expense of the other, which is harmed.