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Natural Selection: Definition, Types & ExamplesNext Lesson 

Natural Selection & Adaptation: Definition, Theory & Examples

Chapter 20 /  Lesson 3   Transcript
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A scientist notices several birds in the same area that are similar in appearance with the exception of different beak lengths. She observes that one type of bird with a particularly long beak can pick bugs out of holes in the ground, while the birds with shorter beaks cannot. The longer beak is an example of

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Worksheet
Natural Selection & Adaptation: Definition, Theory & Examples Worksheet

1. A new mutation allows a cheetah to run faster and hunt down more prey than its slower counterparts. This mutation increased the _____ of the cheetah.

2. Which of the following is an example of convergent evolution?

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About This Quiz & Worksheet

About this Quiz & Worksheet

This quiz and worksheet combo will help you quickly assess what analogous structures are and convergent evolution. You will also need to analyze scenarios and match up the description with the term it describes.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • Example of when species adapt to their environment
  • Example of mutation that gives an animal more positive traits
  • Convergent evolution
  • Examples of analogous structures or traits

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Reading comprehension- ensure that you draw the most important information from the related evolution and adaptation lesson
  • Problem solving- use acquired knowledge to solve analogous structures practice problems
  • Defining key concepts- ensure that you can accurately define main phrases, such as homologous structures

Additional Learning

Make sure to read the related lesson called Natural Selection and Adaptation. The lesson covers the following:

  • Review what natural selection is and how it relates to evolutionary fitness
  • Identify what adaptation is and how species adapt to their environment
  • Understand the difference between homologous structures and analogous structures
  • Recall what convergent evolution is
You are viewing lesson Lesson 3 in chapter 20 of the course:

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Biology 101: Intro to Biology

24 chapters | 170 lessons | 12 flashcard sets

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Ch 20. Evolutionary Principles & Natural...
Ch 21. Earth's Timeline & Geological...

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