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Symbiosis

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Commensalism:

a)

When an organism lives in/on a host and harms it

b)

When one species benefits and the other is not affected

c)

When both species benefit

2.

A remora fish eats the shark's scraps. The shark is not helped or harmed.

a)

Parasitism

b)

Mutualism

c)

Commensalism

3.

Butterflies eat the nectar from flowers. The flower pollen is spread to other flowers. Both species benefit.

a)

Mutualism

b)

Parasitism

c)

Commensalism

4.

Barnacles attach to whales and get food and a home without harming the whale.

a)

commensalism

b)

parasitism

c)

mutualism

5.

Mistletoe grows into a trees roots and sucks water out of the tree, causing it to die.

a)

mutualism

b)

parasitism

c)

commensalism

d)

Carnivores

6.

Spider crabs live on the ocean floor, and algae lives on their backs. The algae gets a good home and the crab gets camouflage.

a)

Commensalism

b)

Parasitism

c)

Mutualism

d)

Predator/ Prey

7.

What is a mutualistic relationship?

a)

A mutualistic relationship is a type of competitive relationship where both organisms involved benefit from the interaction.

b)

A mutualistic relationship is a type of symbiotic relationship where both organisms involved benefit from the interaction.

c)

A mutualistic relationship is a type of parasitic relationship where both organisms involved benefit from the interaction.

d)

A mutualistic relationship is a type of symbiotic relationship where only one organism benefits from the interaction.

8.

What are the types of symbiosis?

a)

predation, competition, and cooperation

b)

mutualism, commensalism, and parasitism

c)

mutualism, predation, and competition

d)

predation, commensalism, and competition

9.

What is mutualism?

a)

Mutualism is a type of symbiotic relationship where one organism benefits and the other is at a disadvantage.

b)

Mutualism is a type of symbiotic relationship between two organisms where both benefit from the interaction.

c)

Mutualism is a type of symbiotic relationship where one organism benefits and the other is unaffected.

d)

Mutualism is a type of symbiotic relationship where one organism benefits and the other is harmed.

10.

Which of the following is an example of mutualism?

a)

Sharks and fish

b)

Cats and dogs

c)

Lions and zebras

d)

Bees and flowers

11.

What is commensalism?

a)

A type of symbiotic relationship where both organisms are harmed.

b)

A type of symbiotic relationship where one organism benefits and the other is harmed.

c)

A type of symbiotic relationship where one organism benefits and the other is neither harmed nor benefited.

d)

A type of symbiotic relationship where both organisms benefit.

12.

What is parasitism?

a)

Parasitism is a type of symbiotic relationship where one organism benefits at the expense of another organism.

b)

Parasitism is a type of commensalism where one organism benefits and the other is unaffected.

c)

Parasitism is a type of mutualistic relationship where both organisms benefit.

d)

Parasitism is a type of competition where two organisms fight for resources.

13.

Which of the following is an example of mutualism in a symbiotic relationship?

a)

A) A bird eating ticks off a buffalo's back

b)

B) A tapeworm living in a human's intestine

c)

C) A barnacle attaching to a whale

d)

D) A lion hunting a zebra

14.

In a symbiotic relationship, what is the main characteristic of commensalism?

a)

A) Both organisms benefit

b)

B) One organism benefits while the other is harmed

c)

C) One organism benefits while the other is unaffected

d)

D) Both organisms are harmed

15.

Which of the following best describes parasitism?

a)

A) A relationship where both organisms benefit

b)

B) A relationship where one organism benefits and the other is harmed

c)

C) A relationship where one organism benefits and the other is unaffected

d)

D) A relationship where both organisms are harmed