The spider crabs live on the shallow ocean floor. The algae lives on the crabs. The algae helps the crabs blend in and the algae gets a good place to live.

• Commensalism
• Mutualism
• Parasitism
• Mitosis

Tags

NGSS.MS-LS2-2

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

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

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

A tapeworm and a cat have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

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

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

 Skunks often live in burrows that have been dug and abandoned by woodchucks. This relationship is an example of _______.

• commensalism
• mutualism
• parasitism
• predation

Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.

• commensalism
• mutualism
• neutralism
• competition

A relationship between two organisms in which both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Aphids are tiny insects that live on and eat the leaves of plants, removing vital nutrients from the plants.

• Predation
• Parasitism
• Commensalism
• Mutualism

Tags

NGSS.MS-LS2-4

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

• Mutualism
• Commensalism
• Parasitism
• Naturalism