Interdependent Interactions in Ecosystems

Ants protect aphids, while aphids provide honeydew (food) to the ants. What type of interaction is this?

• Predator-Prey

• Competition

• Commensalism

• Mutualism

Male red deer viciously fight each other to breed with females. What type of interaction is this?

• Predator-Prey

• Sexual Competition

• Mutalism

• Commensalism

Frogs sit on leaves of a tree. They never stay on the same leaf for very long though.

• Parasitism

• Predator-Prey

• Competition

• Commensalism

Cat eats mouse. What type of interaction is this?

• Competition

• Mutualism

• Parasitism

• Predator-Prey

Cat eats mouse infected with Toxoplasma gondii. Toxo is a microorganism that goes into the cat's brain and feeds on blood. What type of interaction is this?

• Parasitism

• Sexual Competition

• Mutualism

• Predator-Prey

Salt is extremely rare in the forest. Many different animals fight for access to salt licks.

• Commensalism

• Competition

• Parasitism

• Mutualism

A pitcher plant is perfectly shaped for a bat to roost inside it during the day. The bat poops while it sleeps.

• Mutualism

• Predator-Prey

• Parasitism

• Sexual Competition

The male Bird of Paradise does an elaborate dance to woo females. What type of interaction is this?

• Competition

• Sexual Competition

• Parasitism

• Mutualism