Evolution
In the mid-1800s, Charles Darwin famously described variation in the anatomy of finches from the Galapagos Islands. Alfred Russel Wallace noted the similarities and differences between nearby species and those separated by natural boundaries in the Amazon and Indonesia. Independently, they came to the same conclusion: over generations, natural selection of inherited traits could give rise to new species.
Overview
Added
March 18, 2026
Subject & domain
biology · evolution-biodiversity
Grade range
Grade 7–Grade 12 (Senior)
Page kind
Article
Introduction
Key Concepts in Evolution
- Core Theory: Evolution occurs through the natural selection of inherited traits over successive generations, leading to the emergence of new species.
- Key Figures:
- Charles Darwin: Observed anatomical variations in Galapagos finches during the mid-1800s.
- Alfred Russel Wallace: Studied species similarities and differences in the Amazon and Indonesia, noting the impact of natural boundaries.
- Scientific Foundation: The theory was developed independently by both Darwin and Wallace.
- Academic Scope: The subject spans multiple disciplines, including Biology, Ecology, Geology, Geography, Earth Science, and Genetics.
- Target Audience: Educational resources available for grades PreK through 12+.
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