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Symbiosis

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
2.
A relationship between two organisms in which one organism benefits and the other is unharmed...
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
3.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
4.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
5.
a)
Parasitism
b)
Mutualism  
c)
Commensalism 
d)
Predation
6.
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Predation
7.

Lactobacilli are a type of bacteria that live in our lungs and destroy many of the invading microorganisms that enter our respiratory system. They are highly adapted to living in our lungs and can't survive in many other habitats.

a)

mutualism

b)

commensalism

c)

parasitism

8.

Barnacles create home sites by attaching themselves to whales. In this relationship, the whales are neither harmed nor benefited. What type of symbiosis is this relationship?

a)

parasitism

b)

commensalism

c)

mutualism

9.
Remoras attach themselves to a shark’s body. They then travel with the shark and feed on the leftover food scraps from the shark’s meals. The relationship neither harms nor benefits the shark. 
a)
parasitism
b)
commensalism
c)
mutualism
10.
The flea feeds on a mouse's blood to the mouse's detriment (or harm).  
a)
Predation
b)
Parasitism
c)
Commensalism
d)
Mutualism