Ecology Review

A tick and a dog have this type of relationship.

• mutualism
• commensalism
• neutralism
• parasitism

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

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

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 

Yucca flowers are pollinated by yucca moths. The moths lay their eggs  in the flowers where  the larvae hatch and eat some of the developing seeds. Both species benefit.  

• Mutualism 
• Parasitism 
• Commensalism 

Silverfish live and hunt with army ants. They share the prey.  They neither help nor harm the ants. 

• Mutualism 
• Parasitism 
• Commensalism 

Lichens are made of fungi and algae that benefit from growing together. Which of these best describes this relationship?

• parasitic 
• commensal 
• competetive
• mutual 

starts with bare rock followed by lichen

• primary succession 
• secondary succession
• both types of succession

Which experiences the least change over time?

• Pioneer Species

• Primary Succession

• Aquatic Succession

• Climax Community

What best describes the term succession?

• rapid changes that create an ecosystem overnight

• gradual changes over time to fully create or restore and ecosystem

• forest with the tallest trees

• the rate species produce offspring