symbiosis

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

• mutualism
• commensalism
• competition
• parasitism

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 relationship between two organisms in which both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Tags

NGSS.MS-LS2-2

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism

Which of the following shows the symbiotic relationship between the Rodent and the Bird?  

• Mutualism
• Predation
• Competition
• Commensalism

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

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2

Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark. 

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2

Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.

• parasitism
• commensalism
• mutualism

Tags

NGSS.MS-LS2-2

 A flea feeds on a mouse’s blood and harms the mouse.

• parasitism
• commensalism
• mutualism

Which factor promotes competition between organisms in an ecosystem?

• cycling of minerals

• limited resources

• decomposition of organic matter

• presence of saprophytes

Tags

NGSS.MS-LS2-1