1. Symbiosis
By: Nick Curry

2. What is Symbiosis?
Symbiosis is close and often long-term interaction between different biological species.

3. What is Mutualism?
Mutualism is any interaction between two creatures where both of the animals benefit.

4. What is Commensalism?
Commensalism describes a relationship between two living organisms where one benefits and the other is not significantly harmed or helped.

5. What is Parasitism?
A parasitic relationship is one in which one member of the association benefits while the other is harmed.

6. 1. _____    Which of the following symbiotic relationships is considered parasitic?
. ticks feeding on a dog
. bees transporting pollen from flowers
. pilotfish swimming under sharks
. birds eating the insects from the back of a hippopotamus

7. 2. _____  Ants and acacia trees have a mutualistic relationship because
. they benefit each other.
. they are part of the same ecosystem.
. they are both adapted to a humid climate.
. the ants eat part of the acacia tree.BBQ

8. 3. _____  What type of symbiotic relationship is shown in this picture?
A. mutualism
B.  predation  
C.  parasitism  
D.  commensalism

9. 4. _____  What does symbiosis mean?
. living separately, no relationship between 2 species
. living together, close relationship between 2 species

10.
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