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Symbiosis

Total questions: 20

Worksheet time: 27mins

Name
Class
Date
1.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
2.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
3.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
4.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
5.
Cattle egrets are birds that forage in fields among cattle. The egrets get easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
6.
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
7.
A relationship between two organisms in which one organism benefits and the other is harmed.
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
8.
A relationship between two organisms in which one organism benefits and the other is unharmed
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
9.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
10.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.
a)
Mutualsim 
b)
Parasitism 
c)
Commensalism 
11.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm). 
a)
Mutualsim 
b)
Parasitism 
c)
Commensalism 
12.
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. Both species benefit.  
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
13.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
14.
Silverfish live and hunt with army ants. They share the prey.  They neither help nor harm the ants. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
15.
What type of symbiosis?
  * Hummingbirds feed on nectar from flowers.
 * 
Flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
16.
What type of symbiosis?
*
Snapping Shrimp have poor and depend on their goby fish roommate to give the danger signal when predators come and guide them
back home if they wander too far.   
*
  Goby fish who don't have a place to hide are quickly eaten. They find a Snapping Shrimp roommate who digs a hole for both to live in.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
17.
What type of symbiosis?
*
Remora use suckers to attach temporarily to large marine animals such as sharks, manta rays, whales, turtles, or large fish.
*
The shark provides free transportation, protection, and dropped food and feces which the remora feeds on. The host is not injured.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
18.
What type of symbiosis?
*
Honeyguide birds find a bee hive, then chatter loudly to attract the Honey badger. They fly toward the hive making sure the badger is following. 
*
Upon arrival at the bee hive, the badger tears open the hive and feasts on the honey. Then the Honeyguide bird feeds on the remaining wax and larvae.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
19.
What type of symbiosis?
*
Hermit crabs find shells left by snails that have died and move in.
*
  Snails die and leave behind their shells.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
20.
What type of symbiosis?
*
Skunks often live in burrows that have  been dug and abandoned by woodchucks.
*
Woodchucks abandon holes which are later used by skunks.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation