LS2.2 Relationships within an Ecosystem

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism

Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

Tags

NGSS.MS-LS2-2

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 _______.

• commensalism
• mutualism
• neutralism
• competition

Tags

NGSS.MS-LS2-2

A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. 

• Mutualism 
• Parasitism 
• Commensalism 

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

• helped
• harmed
• not effected
• happy

In a mutual relationship, both organisms are ________________. 

• hurt
• not effected
• harmed
• benefiting 

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

• not effected
• helped
• harmed
• hurt

Tags

NGSS.MS-LS2-2

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. 

• commensal relationship 
• parasitic relationship 
• mutual relationship 

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  ______________________. 

• commensalism
• parasitic relationship
• mutualism 

Tags

NGSS.MS-LS2-2

Which is an example of commensalism?

• Two different kinds of organisms harming each other. 
• Two different kinds of organisms are neither helping nor harming each other. 
• One kind of organism is being helped, but the other one is not harmed or helped. 
• One kind of organism is being helped, but the other is harmed.