Unit 13 Community Ecology Quiz 3

What type of species interaction is the following: a killer whale kills and eats a seal. 

• commensalism 
• predation 
• mutualism 
• competition 

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

• predation 
• mutualism 
• competition 
• parasitism 

Tags

NGSS.MS-LS1-4

_______ is when 2 or more species live in close association. 

• predation 
• competition 
• symbiosis 
• food web 

Tags

NGSS.MS-LS2-2

Name the species interaction: a bee and flower both benefit from their relationship. 

• commensalism 
• mutualism 
• parasitism 
• competition 

Tags

NGSS.MS-LS2-2

Name the species interaction: a mosquito feeds on human blood & transfers a disease. 

• competition
• parasitism 
• predation
• mutualism 

Tags

NGSS.MS-LS2-2

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

• competition 
• predation
• commensalism
• mutualism 

Tags

NGSS.MS-LS2-2

According to the competitive exclusion principle, two species cannot continue to occupy the same:

• Habitat
• Niche
• Territory
• Range

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-LS2-4

Commensalism is a relationship where

• One is harmed, one benefits 
• Both organisms benefit 
• One benefits, one is unharmed
• One dies, one gets energy/food

Tags

NGSS.MS-LS2-2

When the predator population increases what happens to the prey population?

• Increase 
• Decrease
• Die 
• Stays the same

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4