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The process of life evolving into new species.
MODE:
Abstract
excerpts.
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545 Million Years Ago (after through-gut digestion: mouth/anus)
True Circulatory Systems: Blood Veins
Animal Evolution
Circulatory fluid transport (veins)
About 545 million years ago, veins evolved. The digestive tract evolved more than 25 million years before this. Digestion breaks down food efficiently. Veins transport nutrients.
Evolution
Story
“Natural selection acts solely by the preservation and accumulation of small inherited modifications, each profitable to the preserved being.”
- Charles Darwin
- 1859
Evolution
Survival belongs to organisms that respond effectively to change as environments shift over time.
Evolution
Quote
When did blood evolve in life on Earth?
- Blood has been evolving for over 500 million years...
- ...and every drop in your veins carries that history.
Blood
Blood evolved gradually over billions of years; oxygen-carrying hemoglobin later transformed complex life.
Evolution
FAQ
The Evolution of Vocabulary in Ancient Humans
- From animalistic grunts to the eloquence of Shakespeare!
- The story from gestures to language.
The Birth of Language: From Animal to Human
The evolution of language is the evolution of communication. From touch which evolved about 800 million years ago to human words. Along the journey, communication included things like gestures, postures, and grunts.
Evolution
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(c) 2025-2026 TouchstoneTruth.
Writing and coding by Michael Alan Prestwood.
(c) 2025-2026 TouchstoneTruth.
Writing and coding by Michael Alan Prestwood.
