1. 
   

Where on earth can ecological relationships be found?



only where there is high diversity (many species)


any place where there are living organisms


only in the tropics


These are very rare and difficult to find.

1. 
   

When a cheetah eats a gazelle, what type of relationship is that?



mutualism


symbiosis


parasitism


predator-prey

1. 
   

Fill in the blanks: _____ is a type of ______ where both organisms benefit.



Mutualism; symbiosis


Commensalism; symbiosis


Symbiosis; mutualism


Mutualism; commensalism

1. 
   

Who benefits in a symbiotic relationship?



both organisms


one organism


neither organism


Not enough information is given.

1. 
   

If a kid on a skateboard grabs onto the back of a car to go faster, what kind of relationship is this?



mutualistic


commensalistic


parasitic


both B & C

1. 
   

What kind of relationship does a tapeworm have with the cow whose gut it is living in?



mutualistic


commensalistic


parasitic


both A & C

1. 
   

What kind of relationship does a human have with the bacteria that lives in her/his digestive tract?



mostly mutualistic


mostly commensalistic


mostly parasitic


none of the above

1. 
   

Your school is across the street from your mom's office, so you ride with her to her work and then walk across the street. In this situation, what kind of relationship is this?



mutualistic


commensalistic


parasitic


none of the above

1. 
   

Which of the following is not shorthand to describe one of the three types of ecological relationships?



+/+


-/+


+/0


-/0

1. 
   

What kind of relationship benefits both parties involved?



mutualism


commensalism


parasitism


predation