Modified 10/26/16
Symbiosis Quiz
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1. What is the definition of ​symbiosis​?
A.
B.
C.
D.
Living separately, no relationship between 2 organisms.
A relationship between 2 organisms.
Living in a community with ​no ​interaction between each other
Living together in fear of each other
2. Which of the following symbiotic relationships is considered ​parasitic​?
A.
B.
C.
D.
Tapeworm using nutrients in human (host) intestines.
Bees transporting pollen from flowers, helping to pollinate the flower
Remora fish swimming under sharks, not hurting or helping the shark
Birds eating the insects from the back of a hippopotamus, preventing the
hippopotamus from getting diseases.
3. Ants and acacia trees have a ​mutualistic​ relationship. ​The plant provides the ants with
nest sites and food. The ants defend the plant from other predators.​ Which statement
below best explains this relationship?
A.
B.
C.
D.
They are part of the same ecosystem.
They are both adapted to a humid climate.
The ants eat part of the acacia tree.
They both benefit from living with each other.
4. What type of relationship is ​commensalism​?
A.
B.
C.
D.
One species benefits and the other is not hurt or helped.
Both species involved benefit from the relationship.
One species benefits and the other is harmed.
Competing for the same food source
Modified 10/26/16
5. What type of symbiotic relationship is shown in this picture where ticks are feasting on
the blood of the cows? (ticks are circled in pink on the face of the cow)
A.
B.
C.
D.
Mutualism
Symbiosis
Parasitism
Commensalism
6. The spider crab and the algae have a symbiotic relationship. Spider crabs live in
shallow areas of the ocean floor, and greenish-brown algae lives on the crabs' backs.
The algae helps the crabs blend in with their environment and makes it unnoticeable to
predators. The algae gets a good place to live and access to more food. What form of
symbiosis is this relationship?
A.
B.
C.
D.
Mutualism
Parasitism
Commensalism
Symbiosis
7. The tree frog uses plants or trees for protection from the rain. The frog is protected
from the rain and the tree is neither helped nor
harmed. What form of symbiosis is this?
A.
B.
C.
D.
Mutualism
Parasitism
Commensalism
Symbiosis
Modified 10/26/16
8. Constructed Response:​ First, choose ​ONE​ pair of organisms from the list below.
For that set of organisms, identify the symbiotic relationship between the two
organisms and then describe how each organism is affected. (3 points) ​Please
answer this question on the bottom of your Bubble Answer Document.
--Dog and Tick
--Cat and Flea
--Human and Lice.