"Ernst Heinrich Haeckel" is actually the name of a person, not a common English word. Let me explain who he was and why he is important:
Who Was Ernst Heinrich Haeckel?
Key Contributions:
Darwinism: Haeckel supported Charles Darwin's theories about evolution, which explain how species change over time through natural selection.
Theory of Recapitulation: This theory suggests that the development of an individual organism (ontogeny) goes through stages that resemble the adult forms of its ancestors (phylogeny). In simpler terms, he believed that as a baby develops, it goes through forms that look like its evolutionary ancestors.
Materialistic Monism: Haeckel advocated for the idea that everything in the universe is made of matter and that all things, including thoughts and consciousness, can be explained through physical processes.
Usage Instructions:
When discussing biology, evolution, or philosophy, you might mention Haeckel to refer to his theories or contributions.
Example sentence: "Many of Haeckel's ideas about evolution influenced modern biology."
Advanced Usage:
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