The competition that exists between members of the same species is called _______________ competition. 

_______________ is a relationship where an organism is inhibited or killed (harmed) while the other organism (harms) is unaffected or not benefitted. 

The organism that benefits from the commensalism relationship is ____________.

This type of interaction occurs when two participating organisms live closely together for a certain period of time (protocooperation) or when they cannot be separated , so they have to completely live together throughout their lifetime. 

In predation, the organism that benefits is called _______________. 

an interaction between species, in which the survival of one of the participating organism is lowered by the presence of another. 

The organism that harms in parasitism is called _______________.

When both participating organisms benefit from their association this interaction is called _______________.

A _______________ in commensalism is the organism that does not benefit and and is neither harmed nor affected. 

Internal parasites such as worms found in the intestine of humans are called _______________.