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Barnacles create home sites by attaching themselves to whales.  The whale is unaffected.  

• commensalism
• mutualism
• predation
• laziness

As buffalos walk through grass, insects become active and are seen and eaten by cowbirds.  

• commensalism
• mutualism
• competition 
• predation

Tags

NGSS.MS-LS2-2

Wrasse fish feed on the parasites found on the black sea bass's body. 

• Mutualism
• Commensalism
• Predation
• Competition

Tags

NGSS.MS-LS2-2

Ostriches and Gazelles feed next to each other.  They both watch for predators and alert each other to danger.  Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see.  

• Parasitism
• Commensalism
•  Mutualism 
• Competition.  

Tags

NGSS.MS-LS2-2

Ticks feed on deer blood to the deer's detriment (or harm).  

• Commensalism
• Predation
• Parasitism
• Mutualsim

Tags

NGSS.MS-LS2-2

A hawk flies down and scopes of a snake, trying to slither into the ground

• Predation
• Competition
• Hungry
• Mutualism

Tags

NGSS.MS-LS2-2