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Paleozoic Era
A geological time period that lasted from about 541 to 252 million years ago, marked by significant evolutionary developments, including the rise of fish, amphibians, and reptiles.
Cenozoic Era
Span of geologic time extending from 66 mya to the present; marked by diversification of mammals, birds, insects, and flowering plants. Divided into Paleogene (66–23 mya), Neogene (23–2.6 mya), and Quaternary (2.6 mya to present) periods.
Chemical Evolution
The gradual process by which simple chemical compounds give rise to more complex molecules, eventually leading to the emergence of life.
Brachiate Primates
Primates that move by swinging with their arms from one handhold to another, also known as brachiation.
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