Symbiosis

A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

A relationship between two organisms in which one organism benefits and the other is unharmed...

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

What type of symbiosis?
*The tick lives on dog and feeds on its blood and tissue.
*  The dog gets skin irritation and can pick up diseases carried by tick.

• commensalism
• mutualism
• parasitism
• predfation

Tags

NGSS.MS-LS2-2

What type of symbiosis?
*  Human intestine provides food for bacteria that live inside digestive system
*Beneficial bacteria live in the intestine of humans and help digest cellulose from plants which humans don’t have the enzymes to break down. 

• commensalism
• mutualism
• parasititsm
• predation

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.

• Mutualsim 
• Parasitism 
• Commensalism 

Tags

NGSS.MS-LS2-2

Which symbols best describe mutualism?

• +,+
• +,-
• +,0
• -,0

Tags

NGSS.MS-LS2-2

A tapeworm and a cat have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

Which symbols best describe commensalism?

• +,+
• +,-
• +,0
• 0,0

Tags

NGSS.MS-LS2-2

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

• Mutualsim 
• Parasitism 
• Commensalism 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Virus live off of human cells for energy, reproduction and protection and destroy the cells they invade. This would be what type of symbiotic relationships?

• commensalism
• competition
• parasitism
• mutualism