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.
2.
when a cheetah eats a gazelle, what type of relationship is that?

mutualism

symbiosis

parasitism

predator-prey
3.
fill in the blanks: is a type of where both organisms benefit.

mutualism; symbiosis

commensalism; symbiosis

symbiosis; mutualism

mutualism; commensalism
4.
who benefits in a symbiotic relationship?

both organisms

one organism

neither organism

not enough information is given.
5.
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
6.
what kind of relationship does a tapeworm have with the cow whose gut it is living in?

mutualistic

commensalistic

parasitic

both a & c
7.
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
8.
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
9.
which of the following is not shorthand to describe one of the three types of ecological relationships?

+/+

-/+

+/0

-/0
10.
what kind of relationship benefits both parties involved?

mutualism

commensalism

parasitism

predation