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Animal Defense Mechanisms

Explore various defense mechanisms used by animals to protect themselves from predators and threats.

Grade 9 Science BiologyDefense Mechanisms
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Includes

Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerMatching

Standards

NGSS.LS1.CNGSS.LS2.A

Topics

biologydefense mechanismsanimalspredatorprey
7 sections · Free to use · Printable
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Animal Defense Mechanisms

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Read each question carefully and answer to the best of your ability. This worksheet covers various defense mechanisms found in the animal kingdom.

1. Which defense mechanism involves an animal blending in with its surroundings to avoid detection?

a

Mimicry

b

Camouflage

c

Warning coloration

d

Autotomy

2. An animal that plays dead to avoid a predator is exhibiting what type of defense?

a

Chemical defense

b

Behavioral defense

c

Physical defense

d

Structural defense

3.   is a defense mechanism where an animal resembles another, often more dangerous, species.

4. The shedding of a body part, like a tail, to escape a predator is called  .

5. A skunk's spray is an example of a physical defense mechanism.

T

True

F

False

6. Warning coloration, like bright colors on a poisonous frog, is meant to attract predators.

T

True

F

False

7. Observe the image below. Explain how the Viceroy butterfly uses mimicry as a defense mechanism by resembling the Monarch butterfly.

Monarch and Viceroy Butterfly Comparison

8. Describe two different physical defense mechanisms animals use to protect themselves. Provide an example for each.

Match each defense mechanism with its description.

9. Aposematism

 

a. Blending into the environment

10. Camouflage

 

b. Playing dead

11. Thanatosis

 

c. Warning coloration