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A tick living on a dog

• mutualism

• commensalism

• parasitism

A bird building their nest in a tree.

• mutualism

• commensalism

• parasitism

The hermit crab carrying the sea anemone on its back.

• mutualism

• commensalism

• parasitism

Bees and a flower

• mutualism

• commensalism

• parasitism

Honey guide birds alert and direct badgers to bee hives.  The badgers then expose the hives and feed on the honey first.  Then the honey guide birds eat.  

• mutualism
• commensalism
• predation
• competition

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

What type of symbiosis?  Skunks often live in burrows that have been dug and abandoned by woodchucks.  

• commensalism
• mutualism
• parasitism
• predation

A relationship between two organisms in which both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

• host, hostess
• parasite, host
• host, parasite
• prey, predator

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

• Predation

• Parasitism

• Commensalism

• Mutualism