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Symbiotic Relationships

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

A relationship between two species is called ______________.

a)

Speciation

b)

Antagonism

c)

Partnership

d)

Symbiosis

2.

Mutualism is when---

a)

both organisms benefit from the relationship

b)

when only one organism benefits and the other is hurt"mutual"

c)

means both when one organism benefits and the other is not effected

3.

Commensalism is when ----

a)

both organisms benefit from the relationshipthis is when BOTH are helped

b)

when one organism benefits and the other is not effected

c)

only one organism benefits while the other is hurt by the relationship

d)

is when one is helped and the other is harmed

4.

Parasitism is when ----

when one organism benefits and the other is not effectedone benefits and the other is neither helped nor harmed only one organism benefits and the other is harmedboth benefit both organisms benefit from the relationship

a)

when one organism benefits and the other is not effectedone benefits and the other is neither helped nor harmed

b)

only one organism benefits and the other is harmed

c)

both benefit both organisms benefit from the relationship

5.

Which of the following is an example of parasitism?

a)

human and mosquito

b)

bee and flower

c)

shark and remora

6.

Why is the bee and flower an example of mutualism?

a)

Both the bee and flower benefit.

b)

The flower benefits and the bee is not changed.

c)

Only the bee benefits and the flower is harmed.

7.

Which of the following symbiotic relationships is considered parasitic?

a)

Bees transporting pollen from flowers

b)

Pilot fish swimming under sharks

c)

Tapeworm in an intestinal tract

d)

Birds eating the insects from the back of a hippopotamus

8.

What does symbiosis mean?

a)

living separately, no relationship between two species

b)

living together, close relationship between two species

c)

living in a community with no interaction between each other

9.

Digestive bacteria and humans - Human beings have what are often called “good” bacteria in their digestive systems. This “good” bacteria exists in order to help the human to digest food.

a)

Mutalism

b)

Commensalism

c)

Parasitism

10.

What is mutualism?

a)

A close, long lasting relationship when both parties benefit

b)

A one-sided relationship where one of the organism benefits greatly and the other is not helped nor harmed or damaged.

c)

One organism benefits from the relationship at the expense of the other.

11.

What is parasitism?

a)

A close, long lasting relationship when both parties benefit

b)

A one-sided relationship where one of the organism benefits greatly and the other is not helped nor harmed or damaged.

c)

One organism benefits from the relationship at the expense of the other.

12.

What is commensalism?

a)

A close, long lasting relationship when both parties benefit

b)

A one-sided relationship where one of the organism benefits greatly and the other is not helped nor harmed or damaged.

c)

One organism benefits from the relationship at the expense of the other.

13.

A spider uses a tree to build its web. The tree is not impacted but the spider needs the tree for shelter and safety. What kind of symbiosis is being represented?


Mutualism

a)

Commensalism

b)

Parasitism

14.

A fungus provides nutrients to algae and the algae provides food to fungus. What kind of symbiosis is being represented? *

a)

Mutualism

b)

Commensalism

c)

Parasitism

15.

A Remora fish, a type of suckerfish, attach themselves to sharks and other large fish. They detach when the larger fish feeds and eat the leftover scraps. What kind of symbiosis is being represented?

a)

Mutualism

b)

Commensalism

c)

Parasitism

16.

A head lice live on small amounts of blood in the scalp. The host human feels itchiness in their hair as the lice bit and move around. This is an example of what kind of symbiosis?

a)

Mutualism

b)

Commensalism

c)

Parasitism

17.

True of False: The following is an example of competition, Both wolves and bears hunt the same prey in their habitats. But if the bears consume all the prey in the are, the wolves will die off, and the habitat will be imbalanced.

a)

True

b)

False