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Lesson 49 of 84 · Inheritance and Traits
ExperimentDarwin and the Galapagos (Part 3)
What You'll Learn
Charles Darwin observed that finches on different Galapagos Islands had different beak shapes suited to their food sources. This helped him develop the theory of natural selection.
Key Words
- fossil
- species
Materials Needed
- ruler
- scissors
- microscope (or magnifying glass)
- slides
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
Steps
Step 1 — Read
Read and learn: Charles Darwin observed that finches on different Galapagos Islands had different beak shapes suited to their food sources. This helped him develop the theory of natural selection.
Step 2 — Do
Build your model using the materials provided.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3Who is known for the theory of natural selection?