Examlex
The number of arcseconds in 1° is
Evolution
The way in which a range of living beings is believed to have originated and diversified from former types during the chronological history of the earth.
Evolutionary Diversification
The process by which a single ancestral species evolves into a wide variety of descendant species differing in morphology, behavior, and ecological niches.
Silurian Period
A geologic time period that occurred approximately 443.8 to 419.2 million years ago, noted for significant biological diversity and evolutionary developments.
Serial Endosymbiosis Hypothesis
A theory suggesting that eukaryotic cells evolved from prokaryotic organisms through a series of symbiotic events.
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