In a mutual relationship, both organisms are ________________. 

Commensalism is where one organism is benefiting and the other organism is _____________________. 

1.  A bee and a flower work together to benefit each other. This is an example of _________________. The bee helps the flower by pollinating it and the flower helps the bee by providing it with nectar. 

A dog is harmed by a tick when it sucks the dog’s blood. The tick is benefiting because it is getting nutrients from the dog. This is an example of a ________________. 

When a dog and a tick are in a relationship. The dog is being harmed and the tick is benefiting. The tick is using the dog as it's ____________. 

A clown fish and a sea anemone are in a close relationship. The sea anemone provides shelter and protection for the clown fish. However, the sea anemone is not harmed. This is an example of  ______________________. 

 A tapir and a song bird work together to help each other find food. The tapir follows the sound of the song bird to the tree filled with sap. The tapir has sharp claws and is able to rip open the section of the tree that contains the sap. Without the tapir, the bird would not be able to access the sap for food. This is an example of a _________________ relationship. 

A tick is a parasite to a horse. Which statement best describes the relationship between the tick and the horse? 

A shark has barnacles that attach to his skin. The barnacles get a free ride from the shark. The shark is not helped by this relationship. This is an example of _________. 

 Mrs. Bush’s cat has fleas. A flea is a parasite that gets its energy from Dante’s blood. How are the flea and the cat affected in this relationship? 

Which is an example of commensalism?

Lichens are made of fungi and algae that benefit from growing together. Which of these best describes this relationship?

Which interaction benefits both organisms?

Tapeworms live in the intestines of dogs and absorb nutrients from food the dog eats. Which best describes the outcome of this relationship?

Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.

This is a type of symbiosis where one organism benefits and the other is harmed.

In this type of symbiosis one organism cleans the mouth, fur, or skin of another.

In this type of symbiosis one organism protects another.

In this type of symbiosis one organism picks up pollen or seeds from a plant and spreads them to the ground or to another animal.

In this type of symbiosis both organisms help feed or provide nutrients to each other. 

In this type of symbiosis one animal leaves their young with another animal to raise. 

In this type of symbiosis, one organism benefits and the other is not affected. 

In this type of symbiosis, both organisms benefit.

Oxpeckers are a type of small bird that land on zebras and eat ticks and other parasites that live on the zebra's skin.  The oxpeckers get food and the zebras get pest control.  What type of mutualism is this an example of?

Bees fly from flower to flower gathering nectar, which they make into food.  When they land in a flower, the bees get some pollen on their hairy bodies, and when they land in the next flower, some of the pollen from the first one rubs off, pollinating the plant.  What type of symbiosis is this an example of?

Ants live in an acacia tree and build a nest there.  The ants eat the sap from the tree.  When a herbivore tries eating from the tree the ants feel the vibration and attack the herbivore. What type of symbiosis is this an example of?

The bacteria in your stomach helps you digest your food. This helps you get nutrients and the bacteria get food as well. What type of symbiosis is this an example of?

Lice living on the human scalp is an example of this.