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Xha’Ruun

Volume VII: Nature — Chapter 2: Thermochromadae — Deep Biology

"Six limbs, two hearts, three eyes — this is not an anomaly. It is perfection. Théxar's evolution found the optimal solution and adhered to it for 350 million cycles." — Academician of Biology Ven-Shar

Related sections: → see [Ch.18, "Fauna"], → see [Ch.05, "The Xha'Ruun Species"]

Shar-Ghar in the tall grass
Shar-Ghar in the tall grass

2.1 Evolutionary Radiation

The class Thermochromadae emerged ~350 million cycles ago. Since then, it has produced ~24,000 described species — from 0.2 ша to 10 ша in height.

2.1.1 Key Adaptations

Adaptation Function Evolutionary Advantage
Hexapodalism 6 limbs, functional division Locomotion + manipulation
Dual bloodstream 2 hearts: thoracic + abdominal Independence of breathing and movement
Trinocular vision 3 eyes Depth accuracy 0.02°
Thermochromatism Skin thermoregulation Adaptation to diurnal cycles
6-nucleotide code 216 codons Codon diversity

End of Chapter 2, Volume VII.