{"id": "card_bio_evolution", "kind": "reference", "title": "Evolution — common descent and selection", "body": "All life descends from one root (LUCA); variation and natural selection build the tree. The near-universal genetic code and the universal genes are the evidence. Rests on the tree of life.", "source": {"label": "Narrow Highway — biology", "url": "", "authority_tier": "engine_derived"}, "shelf": "codex", "box": "biology", "bands": ["biology", "pillar", "evolution", "one map"], "subject": "Evolution — common descent and selection", "connections": [{"to_card_id": "card_floor_biology", "relationship": "part_of", "evidence": "a pillar of biology (Evolution)"}, {"to_card_id": "card_floor_tree_of_life", "relationship": "connects_at", "evidence": "common descent - the tree of life from one root, the universal genes the evidence"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.biology", "facets": {"subject": ["evolution", "one map", "pillar"]}, "presentation": {"glyph": "•", "kind_label": "biology", "by": "Narrow Highway — biology", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_floor_biology", "title": "Biology — life is self-replicating chemistry", "relationship": "part of", "why": "a pillar of biology (Evolution)", "href": "/card/card_floor_biology", "resolved": true}, {"id": "card_floor_tree_of_life", "title": "The tree of life — chains from LUCA, homologous genes where domains meet", "relationship": "connects at", "why": "common descent - the tree of life from one root, the universal genes the evidence", "href": "/card/card_floor_tree_of_life", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_bio_evolution", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_bio_evolution"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}