Symbiotic Relationships

A relationship between two species where one benefits while the other is harmed.

• Commensalism

• Naturalism

• Mutualism

• Parasitism

A relationship between two organisms in which both organisms benefit.

• competition

• commensalism

• predator/prey

• mutualism

A relationship between two organisms in which one organism benefits and the other is unharmed

• mutualism

• commensalism

• parasitism

• competition

A frog eats a fly. The frog and fly are demonstrating ________.

• predator/prey

• mutualism

• competition

• parasitism

A tapeworm and a cat have this type of relationship.

• mutualism

• commensalism

• parasitism

• competition

In mutualism

• one species is unaffected

• one species is killed

• both species fight for something

• both species benefit

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?

• mutualism

• commensalism

• parasitism

• predator/prey

In parasitism

• both species benefit

• one species is harmed

• species fight for something

• one species is unaffected

In commensalism

• one species is unaffected

• both species fight for something

• one species is killed

• both species benefit

A relationship between two organisms in which both organisms benefit.

• commensalism
• mutualism
• parasitism