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Symbiotic Relationships

Total questions: 15

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

​ ​ (a)  

When both organisms benefit from the association ​

Choose from the below words
Mutualism
Commensalism
Parasitism
2.

​ ​ (a)  

When the parasite benefits at the expense of the host.

Choose from the below words
Parasitism
Mutualism
Commensalism
3.

​ ​ (a)  

When one organism is benefited and the other is unharmed ​

Choose from the below words
Commensalism
Parasitism
Mutualism
4.

Match the following

a)
1.

Parasitism

b)
2.

Commensalism

c)
3.

Mutualism

5.

Match the following

a)
1.

Parasitism

b)
2.

Mutualism

c)
3.

Commensalism

6.

Why does the image represent parasitism?

(choose both correct answers)

a)

Because the lice get benefit.

b)

Because both get affected.

c)

Because the kids get affected.

d)

Because both get benefit. 

7.

In Australia, native birds have found a new supply of food atop the back of introduced buffalo. While the birds pick off the parasites and insects on the buffalo neck, the buffalo avoids infections and is free of parasites.

a)

Amensalism

b)

Commensalism

c)

Parasitism

d)

Mutualism

8.

What type of symbiosis?

Helminths cause damage to their host by disrupting the absorption of nutrients in the body, causing weakness, malnutrition and an increased risk for disease and infection.

a)

Commensalism

b)

Parasitism

c)

Mutualism

9.
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)
parasitism
b)
commensalism
c)
mutualism
10.

Remora fish stuck in the shark so they can travel over water. This represents:

a)

Mutualism

b)

Commensalism

c)

Parasitism

11.
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
12.

What type of symbiosis?

This is a tick on a human.

a)

commensalism

b)

mutualism

c)

parasitism

13.
 The stork uses it saw-like bill to cut up the dead animals it eats. As a result, the dead animal carcass is accessible to some bees for food and egg laying. The relationship neither harms nor benefits the stork.
a)
parasitism
b)
commensalism
c)
mutualism
14.

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

15.

What type of symbiotic relationship is between this warthog and this band of mongoose?

a)

Parasitism

b)

Mutualism

c)

Commensalism