Evolutionary Continuity
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## Overview **Evolutionary Continuity** refers to the uninterrupted lineage of prehistoric animals on the plateau, maintaining their Jurassic-era forms into the present day. ## Mechanics and Rules * **Stasis**: Because the environment has remained unchanged and isolated for millions of years, the species have not been forced to evolve into new forms or face extinction from modern competitors. * **Permanence of Types**: Challenger challenges the scientific consensus on the extinction of prehistoric life, asserting that certain types of animal life are permanent if their environment remains stable. * **Recent Specimens**: Unlike fossils, the biological material found near the plateau (such as the bone with dried cartilage) indicates that these creatures are currently living and "recent" in a zoological sense. * **Invasive Evolution**: Challenger hypothesizes that while the plateau's fauna evolved to the vertebrate stage naturally, higher forms like the **Ape-men** and **Accala Indians** are likely immigrants from the outside world who arrived in past ages and were subsequently trapped. ## Examples from the Story * **The Stegosaurus**: Malone observed a living **Stegosaurus** at the central lake, matching the sketch in Maple White's book. The creature possessed an arched back with triangular fringes and a bird-like head. * **The Unknown Bone**: A bone found in Maple White's kit, featuring a groove for a great tendon, is identified by Challenger as belonging to a large, fierce, and currently living animal unknown to science. ## Narrative Significance This mechanic establishes the stakes of the expedition: the discovery is not of fossils, but of living, breathing prehistoric monsters.
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Reality Layers
