wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Mutualism, Parasitism, and Commensalism

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
An organism that is eaten by another organism
a)
pray
b)
prey
c)
predator
d)
hamburger
2.
A relationship between two species where one benefits while the other is harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Naturalism
3.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
4.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
5.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
6.
A relationship between two organisms in which one organism benefits and the other is unharmed
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
7.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
8.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.  What kind of relationship is this?
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
9.
An organism that eats other organisms
a)
producer
b)
omnivore
c)
prey
d)
predator
10.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs in the flowers where the larvae hatch and eat some of the developing seeds.  
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Competition
11.
Ostriches and Gazelles feed next to each other.  They both watch for predators and alert each other to danger.  Since the visual abilities of the two species are different, they can each identify threats the other animal would not as readily see.  
a)
Parasitism
b)
Commensalism
c)
 Mutualism 
d)
Competition.  
12.
Mistletoe extracts water and nutrients from the spruce tree to the trees detriment.  
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Predation
13.
Two male Giraffes are fighting over the last green leaf of a tree that is dying.  
a)
Competition
b)
Mutualsim
c)
Predation
d)
Commensalism
14.
Two male elephants are fighting over a cute little elephant at the watering hole.  
a)
Commensalism
b)
Competition
c)
Predation
d)
Mutualism
15.
True or false: symbiosis is interaction between two different organisms living in close physical association
a)
True
b)
False
16.
A symbiotic relationship that involves species having to fight for something they both need or want
a)
competition
b)
predation
c)
commensalism
d)
parasitism
17.
In parasitism
a)
Both species benefit
b)
One species is harmed
c)
Species fight for something
d)
One species is unaffected
18.
In competition
a)
One species is killed
b)
both species benefit
c)
Both species fight for something
d)
One species is harmed
19.
In mutualism
a)
both species benefit
b)
one species is killed
c)
both species fight for something
d)
one species is unaffected
20.
In commensalism
a)
Both species fight for something
b)
Both species benefit
c)
One species is killed
d)
One species is unaffected