# Speciation { "id": "S2001008905", "title": "Speciation", "url": "/topics/S2001008905", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "03d6df35622c98aa", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "37163795382150658", "address_version": "morton4x16-v1", "coordinates": [ 0, 477, 5092, 9216 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Use as a topical subdivision under individual animals and groups of animals, individual plants and groups of plants, and individual chemicals and groups of chemicals. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2001008905 No owner-reviewed local answer yet.