Interactions in Ecosystems

_______________________ relationships occur when organisms work together to ensure survival.

A symbiotic relationship in which both partners benefit is called ______________.

A symbiotic relationship that benefits one species and harms the other is ________________.

A symbiotic relationship that benefits one species but does not harm or benefit the other is ____________________.

The species that benefits in a parasitic relationship is called the _____________.

The species that is harmed in a parasitic relationship is called the ___________.

A relationship in which one organism eats another.

______________________ relationships occurs when organisms that share the same habitat compete for resources.

____________________ a close, long-term relationship between two species that usually involves an exchange of food or energy.