1.) Birds live in the hollows tree

a. Commensalism b.Mutualisim c.Competition d.Predation

2.)Frog hunting mosquitos.

a. Commensalism b.Mutualisim c.Competition d.Predation

3.)Fleas or ticks that live on dogs and cats

a. Commensalism b.Mutualisim c.Competition d.Predation

4.)Goats and cow dwelling on the same place.

a. Commensalism b.Mutualisim c.Competition d.Predation