EV: Adaptation Lesson

Octopus Adaption

What is an adaptation? What does the Blue-Ring Octopus do to survive? What would you do to survive?

Facts About Finches

The image below shows four types of finches (birds that Darwin studied while on the Galapagos Islands.

What is different about each one?
How do their traits help them to survive in the environment?

An adaptation is an inherited trait that enhances or aids the chances of survival and reproduction for an organism.

Use the notes below to learn more.

Types of Adaptation

Types of Adaptations

Physical/Structural	Physiological	Behavioral
Internal or external feature of the anatomy that increases fitness. Examples: Camouflage Canine tooth The tongue of an anteater	The functional or biochemical feature that increases fitness. Examples: Snake venom Protein in spider webs Octopus ink	Response to the environment that increases fitness. Examples: Bird migration Squirrels hiding nuts Wolves' ability to track prey

Camouflage in Physical Adaptations

There are a variety of physical adaptations that involve camouflage. Read about each of the types of camouflage below.

Adaptation Challenge and Before You Go

Practice Time! Use the knowledge you learned from the lesson to complete the practice activities below.

Answer Key Links to an external site.  

Before You Go - You Need To Know

The following key points are from the explore section of the lesson. You must know the following information before moving to the next lesson. This is just a summary of the key points.

1. Adaptations are inherited and can be passed down to future generations.
2. Snake venom is a physiological type of adaptation.
3. Beaks have different shapes. This is an example of structural adaptation.

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