A type of symbiotic relationship in which one organism benefits from the presence of another organism without harming it

A type of symbiotic relationship in which both organisms benefit from each other

A type of symbiotic relationship in which one organism harms another organism

A type of symbiotic relationship in which two organisms live together without affecting each other

A clownfish living in a sea anemone

A mistletoe plant growing on a tree

A tapeworm living in a human intestine

A bee pollinating a flower

In commensalism, one organism benefits while the other is unaffected, while in mutualism, both organisms benefit.

In commensalism, one organism benefits while the other is harmed, while in mutualism, both organisms benefit.

In commensalism, both organisms benefit, while in mutualism, one organism benefits while the other is unaffected.

In commensalism, both organisms are harmed, while in mutualism, one organism benefits while the other is unaffected.

In commensalism, one organism benefits while the other is unaffected, while in parasitism, one organism benefits while the other is harmed.

In commensalism, one organism benefits while the other is harmed, while in parasitism, both organisms benefit.

In commensalism, both organisms benefit, while in parasitism, one organism benefits while the other is unaffected.

In commensalism, both organisms are harmed, while in parasitism, one organism benefits while the other is unaffected.

The bacteria that live on our skin

The fungi that live in our gut

The viruses that live in our cells

All of the above

It helps to maintain the balance of ecosystems

It helps to recycle nutrients

It helps to control populations of pests

All of the above

The remora that attaches itself to sharks

The barnacles that grow on whale's skin

The sea urchins that live in coral reefs

All of the above

The epiphytes that grow on trees

The lichens that grow on rocks

The mistletoe that grows on trees

All of the above

The cacti that provide shelter for animals

The ants that live in the burrows of other animals

The vultures that feed on the carcasses of other animals

All of the above

The caribou that graze on the tundra

The lemmings that live in the burrows of other animals

The polar bears that hunt seals

All of the above

The bison that graze on the grassland

The prairie dogs that live in burrows

The hawks that hunt rodents

All of the above

The cattails that grow in marshes

The frogs that live in ponds

The alligators that live in swamps

All of the above

The pigeons that live in cities

The rats that live in sewers

The cockroaches that live in apartments

All of the above

It can help to maintain the balance of ecosystems

It can help to recycle nutrients

It can help to control populations of pests

All of the above

It can lead to competition between organisms

It can lead to the spread of disease

It can lead to the extinction of species

All of the above