Ecology: Relationships

A tapeworm lives in a human’s skin, taking nutrients from the human.  What is the role of the tapeworm in the relationship?

• Parasite 
•  Prey
• Host
• Parasitism

Both owls and snakes preying on mice in a forest. What is the relationship between the owls and snakes?  

• Commensalism
• Competition
• Predation
• Symbiosis

Tags

NGSS.MS-LS2-2

Clownfish live among the venomous tentacles of a sea anemone. The clownfish are protected from predators, and keep the sea anemone clean.  What is the relationship?  

• Competition 
• Mutualism
• Commensalism 
• Parasitism

Tags

NGSS.MS-LS2-2

 A close relationship where one organism benefits and the other organism is harmed. 

• Competition
•  Mutualism
• Commensalism
• Parasitism

 Vines grow on a tree.  The vines get light but the tree is not affected.  What kind of relationship is this?  

• Competition
•  Mutualism
• Commensalism
• Parasitism

Tags

NGSS.MS-LS2-2

 What kind of relationship is displayed when a tick sucks the blood of a dog?  

• Parasitism
• Parasite
• Prey
• Host

Two members of the same species fight over who gets a certain food.  Members of different species try to take over a certain nesting area.  These are both examples of what type of interaction?  

• commensalism. 
• competition. 
• mutualism. 
• parasitism.

Tags

NGSS.MS-LS2-2

In which type of symbiotic relationship do organisms help each other and both benefit?  

•  commensalism 
• predation
• mutualism
• parasitism

Suppose there was a bird that always sat on a horse’s back and ate the insects that would bite the horse.  What term would describe the relationship between the bird and the horse?  

• commensalism
• competition
• mutualism 
• parasitism

Tags

NGSS.MS-LS2-2

 What is the term for a close relationship where one organism benefits and the other is neither helped nor harmed?  

• parasitism 
• mutualism 
• competition
• commensalism