Ecology Vocab Quiz

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

• Mutualism
• Commensalism
• Parasitism
• Naturalism

A frog eats a fly. The frog and fly are demonstrating ________.

• mutualism
• competition
• predator/prey
• parasitism

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 both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

A relationship in which two species live closely together.

• resource
• mutualism
• succession
• symbiosis

an organism that kills and eats all or part of another organism

• coevolution
• predator
• prey
• parasite

All members of one species in a certain area.

• Population
• Limiting Factors
• Immigration
• Birth Rate

The largest number of organisms that the environment can support. 

• Carrying Capacity
• Limiting Factor

Environmental factors that keep a population from increasing. 

• Carrying Capacity
• Limiting Factors

Primary succession occurs in areas with:

• very little soil

• lots of soil

• no soil

• soil that has been disturbed