Interactions and Energy Flow

Which symbols best describe mutualism?

• +,+
• +,-
• +,0
• -,0

Which symbols best describe parasitism?

• +,+
• +,-
• +,0
• -,0

Which symbols best describe commensalism?

• +,+
• +,-
• +,0
• 0,0

Tags

NGSS.MS-LS2-2

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

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

• Mutualism 
• Parasitism 
• Commensalism 

Tags

NGSS.MS-LS2-2

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.  

• Mutualism 
• Parasitism 
• Commensalism 

Tags

NGSS.MS-LS2-2

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

A close, long-term relationship in which 2 different organisms live in close association with each other. 

• Carrying Capacity
• Coexistence
• Limiting Factor
• Symbiosis

Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm). 

• Mutualsim 
• Parasitism 
• Commensalism 

A relationship between two species where one benefits while the other is harmed.

• Mutualism
• Commensalism
• Parasitism
• Naturalism