Animal Interactions

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

• Parasitism

• Mutualism

• Commensalism

• Competition

Mistletoe extracts water and nutrients from the spruce tree to the trees detriment (causing harm). What type of interaction is this?

• Parasitism

• Competition

• Commensalism

• Mutualism

Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower. This is an example of

• commensalism

• mutualism

• parasitism

• predation

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

• Mutualism

• Commensalism

• Parasitism

• Naturalism

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

• mutualism

• competition

• predator/prey

• parasitism

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

• Mutualism 

• Competition

• Parasitsm 

• Commensalism 

A relationship between two organisms in which both organisms benefit. 

• Mutualism 

• Competition

• Parasitsm 

• Commensalism 

The crocodile and bird have a _______________ relationship.  The crocodile benefits by having its teeth cleaned.  The bird benefits by gaining food and protection.  Both animals benefit from this relationship.

• parasitism

• predator and prey

• mutualism

• commensalism

What type of species interaction is the following: two bears fighting over the same mate. 

• predation 

• mutualism 

• competition 

• parasitism 

Name the species interaction: A decorator crab camouflages itself with sponges. Sponges are unaffected. 

• competition 

• predation

• commensalism

• mutualism