Symbiosis and biodiversity

Occurs when 2 or more organism use the same resource

• Competition
• Mutualism
• Commensalism
• Parasitism

Relationship where both organism benefit

• Competition
• Commensalism
• Mutualism
• Parasitism

Relationship where one organism benefits and the other is neither harmed nor helped

• Commensalism
• Parasitism
• Mutualism
• Competition

An organism where one organism benefits and another is harmed

• Commensalism
• Parasitism
• Mutualism
• Competition

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

A tapeworm and a cat have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

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

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

Which symbols best describe parasitism?

• +,+
• +,-
• +,0
• -,0

When a mosquito bites you, you are the __________ and the mosquito is the  ____________.

• host, hostess
• parasite, host
• host, parasite
• prey, predator

Which symbols best describe mutualism?

• +,+
• +,-
• +,0
• -,0