Species Interactions

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

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

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

• mutualism
• competition
• predator/prey
• parasitism

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

• Mutualism
• Commensalism
• Parasitism
• Naturalism

A relationship between two organisms in which both organisms benefit. 

• Mutualism 
• Competition
• Parasitsm 
• Commensalism 

The crocodile and bird have a _______________ relationship.  The crocodile benefits by having its teeth cleaned.  The bird benefits by gaining food and protection.  Both animals benefit from this relationship.

• parasitism
• predator and prey
• mutualism
• commensalism

What type of species interaction is the following: two bears fighting over the same mate. 

• predation 
• mutualism 
• competition 
• parasitism 

Name the species interaction: A decorator crab camouflages itself with sponges. Sponges are unaffected. 

• competition 
• predation
• commensalism
• mutualism 

Tags

NGSS.MS-LS2-2

Evidence shows that some grasses benefit from being grazed. Which of the following terms would best describe this plant-herbivore interaction?

• Mutualism
• Commensalism
• Parasitism
• Competition

Tags

NGSS.MS-LS2-2

Hermit crabs live in shells made and then abandoned by snails. This relationship neither helps nor harms the snails. Which interaction is this?

• Parasitism

• Mutualism

• Commensalism

• Competition

Ostriches and Gazelles feed next to each other. They both watch for predators and alert each other to danger. Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see. What type of interaction is this?

• Parasitism

• Mutualism

• Commensalism

• Competition

Tags

NGSS.MS-LS2-2