Vestigial Structures Worksheet
Explore vestigial structures in organisms, understanding their definition, examples, and significance in evolution for Grade 6 science.
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Vestigial Structures: Traces of Evolution
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of vestigial structures.
1. What is a vestigial structure?
A structure that has gained a new function.
A fully functional structure essential for survival.
A structure that has lost its original function over time.
A structure that helps an organism adapt to new environments.
2. Which of the following is considered a vestigial structure in humans?
Heart
Lungs
Appendix
Brain
3. Vestigial structures provide evidence for , showing how organisms have changed over time.
4. The tiny hip bones found in whales are examples of structures.
5. All vestigial structures are completely useless.
True
False
6. The human tailbone (coccyx) is a vestigial structure.
True
False
7. Explain why the presence of vestigial structures supports the theory of evolution.
8. Look at the illustration of the whale. Imagine its ancestors walked on land. What vestigial structures might a whale have that support this idea?
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