Symbiosis

Front

Barnacles create home sites by attaching themselves to whales. This relationship neither harms nor benefits the whales.

Back

commensalism

Front

Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds. Both species benefit. Options: parasitism, commensalism, mutualism

Back

mutualism

Front

Mistletoe extracts water and nutrients from a spruce tree. The spruce tree is harmed. Options: parasitism, commensalism, mutualism

Back

parasitism

Front

The stork uses its saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.

Back

commensalism

Front

Symbiotic relationship between the Rodent and the Bird: Mutualism, Commensalism, Competition

Back

Competition

Front

Hermit Crabs live in shells made and then abandoned by snails.

Back

Commensalism

Front

Two male Giraffes are fighting over the last green leaf of a tree that is dying.

Back

Competition

Front

A relationship that occurs when two or more organisms of the same species need the same resource at the same time.

Back

competition

Front

In a parasitic relationship, one organism is ___________ and one organism is benefiting.

Back

harmed

Front

In a mutual relationship, both organisms are ________________.

Back

benefiting