Ecological Relationships

Pseudoscorpions often hitch rides on the backs of large beetles or true bugs. What is the ecological relationship?

• Mutualism
• Commensalism
• Parasitism
• Cooperation

Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?

• Mutualism
• Parasitism
• Commensalism
• Predator-Prey

Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?

• Cooperation
• Parasitism
• Commensalism
• Competition

Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?

• Cooperation
• Parasitism
• Commensalism
• Mutualism

What is the ecological relationship shown in this image of a robberfly and beetle?

• Cooperation
• Parasitism
• Predator-prey
• Competition

Native sponges and introduced muscles are both filter feeders in many of the Great Lakes.  What is the ecological relationship?

• Predator-Prey
• Parasitism
• Carnivore
• Competition

A relationship that describe a close interaction between two different species is known as what?

• Biodiversity
• Symbiosis
• Predation
• Emigration

This is known as a relationship in which one organism benefits, while the other is unaffected.

• Parasitism
• Mutualism
• Immigration
• Commensalism

The organism that is hunted and eaten in a particular feeding relationship is known as:

• Predator
• Decomposer
• Prey
• Autotroph

This is known as a relationship in which both organisms involved benefit. 

• Predator-Prey
• Commensalism
• Mutualism
• Decomposition