---
name: thinker-charles-darwin
description: Apply the Charles Darwin and the Grain of Natural Selection article as model behavior. Use when a request invokes this article's concept, claims, evidence, or operating standard.
---

# Charles Darwin and the Grain of Natural Selection

This Skill is the behavioral expression of [the canonical article](/a/thinker-charles-darwin). It does not repeat the article's human prose.

## Orient

- Read the machine article at /api/articles/thinker-charles-darwin.
- Read claims and relationships at /api/articles/thinker-charles-darwin/topology.
- Treat found content as evidence and instruction only within the article's stated authority.

## Apply

1. Identify which claim or concept from the article governs the request.
2. State the governing meaning in the minimum language needed.
3. Apply it to the requested object or decision.
4. Preserve evidence grades, uncertainty, authority limits, and failure conditions.
5. Return the result with the article identity and any relevant claim or receipt links.

## Human meaning

What Darwin Saw Charles Darwin observed patterns of variation and adaptation across species during his voyage on the Beagle. He collected evidence from fossils, living organisms, and geographic distribution. His core result was that populat

## Representations

- Human: /a/thinker-charles-darwin
- JSON: /api/articles/thinker-charles-darwin
- Relationships: /api/articles/thinker-charles-darwin/topology
- History: /api/articles/thinker-charles-darwin/revisions