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MUSE | Natural Selection | Unit Overview and Materials | Section 3: Using Darwin's Model... | 3A: Developing a Darwinian Explanation | Handout #1


Instructional notes

Lesson 3B: Exploring Variation and Heritability


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Handout #1

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Cryptic Coloration/Camouflage

Some of the most amazing organisms that exist in nature are those that seem to blend in with their surroundings. This adaptation is found among all kinds of animals, from insects to large mammals. It is one of the most effective ways some animals can avoid being eaten in the wild. In the picture below a lizard is demonstrating the value of cryptic coloration. This species of lizard retains the same color and texture at all times.

photograph of a lizard on a rock second photograph of a lizard on a rock
(Photo credit: Jon Van de Grift)

In the space below, use the Darwinian model to explain the evolution of this particular species of well-camouflaged lizard.

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