Symbiosis Review

A close relationship between different species of organisms is known as:

• co-habitation

• symbiosis

• animal friends

• interactive species

It is a _______________ relationship when one organism is helped and one organism is not helped and not harmed.

• parasitism

• mutualism

• commensalism

• friendship

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle are unaware if they are there or not.

• mutualism

• commensalism

• competition

• parasitism

A relationship between two organisms in which both organisms benefit

• Mutualism

• Competition

• Parasitsm

• Commensalism

Honeyguide birds find a bee hive, then chatter loudly to attract the Honey badger. They fly toward the hive making sure the badger is following. Upon arrival at the bee hive, the badger tears open the hive and feasts on the honey. Then the Honeyguide bird feeds on the remaining wax and larvae.

• commensalism

• mutualism

• parasitism

• predation

Gall Insects lays their eggs in the leaves or branches of Oak trees. Oak trees provide shelter and food to the insect larvae.

• commensalism

• mutualism

• parasitism

• predation

Hookworms can enter the body of animals or even humans. The hookworm attaches to the lining of the intestinal wall and feeds on blood. Its eggs are ejected into the digestive tract and the larvae (young hookworms) that hatch live off of the host’s blood. The host can suffer from blood loss, anemia and iron deficiency.

• commensalism

• mutualism

• parasitism

• predation

A relationship between 2 organisms in which one organism benefits and the other is harmed

• commensalism

• parasitism

• mutualism

• predation

Organisms that make up the living part of an ecosystem.

• abiotic

• biotic factors

• ecology

• ecosystems

A symbiotic relationship between two species in which one benefits and the other gets harmed, is called ....

• commensalism

• mutualism

• parasitism

• predation