{ "model": { "rank": 4268, "code": "thing-q181497", "model_id": "vr.tr.sexual-dimorphism", "name": "sexual dimorphism", "purpose": "Let an agent explain sexual dimorphism, relay evolutionary explanations and examples from biology sources with debated cases attributed, describe the named forms, avoid essentialist overgeneralisation about humans, and distinguish sexual dimorphism from sex determination, gender roles, polymorphism and intersex variation.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.QLT", "industry": "", "version": "", "url": "/models/thing/q181497/", "tier": 2, "score": 77, "payload": { "layer": "wikidata", "aliases": [ "larviform female", "sexual dichromatism", "Sexual dimorphism in dinosaurs", "sexual dimorphism in primates" ], "aliasCount": 4, "merged": 4, "knownIn": 77, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q181497", "url": "https://www.wikidata.org/wiki/Q181497", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T20:55:37Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q181497", "registryId": "vr.tr.sexual-dimorphism", "name": "sexual dimorphism", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q181497/", "model": { "registry_id": "vr.tr.sexual-dimorphism", "name": "sexual dimorphism", "purpose": "Let an agent explain sexual dimorphism, relay evolutionary explanations and examples from biology sources with debated cases attributed, describe the named forms, avoid essentialist overgeneralisation about humans, and distinguish sexual dimorphism from sex determination, gender roles, polymorphism and intersex variation.", "definition": "Systematic differences in form between males and females of the same species beyond the reproductive organs themselves, such as differences in size, weight, colour, ornamentation and weaponry, including sexual dichromatism in birds such as peafowl, extreme cases such as larviform females that retain juvenile form in some beetles and insects, dimorphism in primates such as gorillas, and dimorphism in dinosaurs, which is hard to establish from fossils and debated; sexual selection and ecological differences are main explanations, and human sex differences are variable and overlapping.", "what_it_is_for": "Not applicable; a biological phenomenon.", "affordances": [ "explain evolutionary explanations", "relay examples", "describe named forms", "avoid essentialist claims" ], "distinguishing_features": [ "Between-sex differences", "Sexual selection", "Widespread", "Overlapping distributions in humans" ], "appearance": "Visible differences such as a peacock s train versus a peahen s plain plumage.", "visual_identification": [ "Differences between sexes of a species", "Larviform female, sexual dichromatism, sexual dimorphism in dinosaurs, sexual dimorphism in primates", "Sex determination sets sex; gender roles are social; polymorphism is variation within a sex; intersex variation concerns sex characteristics" ], "physical_properties": [ { "quantity": "Darwin The Descent of Man", "typical_range": "1871", "unit": "year", "note": "sexual selection" }, { "quantity": "gorilla male to female mass ratio", "typical_range": "about 2", "unit": "ratio", "note": "approximate" }, { "quantity": "anglerfish", "typical_range": "extreme size dimorphism with parasitic males in some species", "unit": "note", "note": "" } ], "families_and_kinds": [ "size dimorphism", "sexual dichromatism", "ornament and weapon dimorphism", "larviform or neotenic females", "reversed size dimorphism" ], "related_models": [ { "relation": "is a kind of", "target": "dimorphism", "why": "in registry terms" }, { "relation": "is explained by", "target": "sexual selection", "why": "" }, { "relation": "includes", "target": "sexual dichromatism", "why": "" }, { "relation": "is contrasted with", "target": "gender role", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "No regulation" ], "failure_modes_and_hazards": [ "Essentialist claims about humans", "Overstating dinosaur dimorphism evidence", "Confusing biology with social roles" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What sexual dimorphism is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is sexual dimorphism, and how does it differ from sex determination, gender roles, polymorphism and intersex variation?", "kind": "definition" }, { "text": "Is the question about animals, fossils or humans, where differences are overlapping and variable?", "kind": "boundary" } ] } ] }, { "id": "forms", "name": "Forms", "description": "Named forms.", "findings": [ { "id": "forms-finding", "name": "Forms", "description": "Forms.", "questions": [ { "text": "What are larviform females, sexual dichromatism, and dimorphism in dinosaurs and primates?", "kind": "definition" }, { "text": "Which entry fits the specific form?", "kind": "action" } ] } ] } ] }, { "id": "evolution", "name": "Evolution", "description": "Explanations.", "rationale": "Attribution.", "layers": [ { "id": "selection", "name": "Sexual selection", "description": "Sexual selection.", "findings": [ { "id": "selection-finding", "name": "Sexual selection", "description": "Sexual selection.", "questions": [ { "text": "How do mate choice and competition drive dimorphism?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "ecology", "name": "Ecology", "description": "Ecological explanations.", "findings": [ { "id": "ecology-finding", "name": "Ecology", "description": "Ecology.", "questions": [ { "text": "How can niche differences between sexes cause dimorphism?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "cases", "name": "Cases", "description": "Examples.", "rationale": "Attribution.", "layers": [ { "id": "fossils", "name": "Fossils", "description": "Fossil evidence.", "findings": [ { "id": "fossils-finding", "name": "Fossils", "description": "Fossils.", "questions": [ { "text": "Why is dimorphism in dinosaurs difficult to demonstrate, with studies attributed?", "kind": "provenance" }, { "text": "Which entry fits sexual dimorphism in non-avian dinosaurs?", "kind": "action" } ] } ] }, { "id": "primates", "name": "Primates", "description": "Primates.", "findings": [ { "id": "primates-finding", "name": "Primates", "description": "Primates.", "questions": [ { "text": "How does dimorphism relate to mating systems in primates?", "kind": "provenance" }, { "text": "Which entry fits gorilla?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Humans.", "rationale": "Context.", "layers": [ { "id": "humans", "name": "Humans", "description": "Human sex differences.", "findings": [ { "id": "humans-finding", "name": "Humans", "description": "Humans.", "questions": [ { "text": "What does research show about human sex differences, emphasising overlap and variation?", "kind": "provenance" }, { "text": "Is the presentation free of essentialist claims?", "kind": "boundary" } ] } ] }, { "id": "extreme", "name": "Extreme cases", "description": "Extreme cases.", "findings": [ { "id": "extreme-finding", "name": "Extreme cases", "description": "Extreme cases.", "questions": [ { "text": "What are extreme cases such as anglerfish and bone-eating worms?", "kind": "provenance" }, { "text": "Which entry fits anglerfish?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should sexual dichromatism be a separate entry?", "How should biology sources be linked?", "How should human dimorphism be presented?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a sexual dimorphism, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain sexual dimorphism, relay evolutionary explanations and examples from biology sources with debated cases attributed, describe the named forms, avoid essentialist overgeneralisation about humans, and distinguish sexual dimorphism from sex determination, gender roles, polymorphism and intersex variation.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: larviform female, sexual dichromatism, Sexual dimorphism in dinosaurs, sexual dimorphism in primates.", "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 77 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a sexual dimorphism, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "larviform female", "sexual dichromatism", "Sexual dimorphism in dinosaurs", "sexual dimorphism in primates" ] } ], "standing": "Described in 77 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one sexual dimorphism from another, and a sexual dimorphism from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a sexual dimorphism sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a sexual dimorphism from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a sexual dimorphism passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a sexual dimorphism between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a sexual dimorphism, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a sexual dimorphism is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What sexual dimorphism is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of sexual dimorphism are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is sexual dimorphism operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of sexual dimorphism and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of sexual dimorphism?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as sexual dimorphism?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a sexual dimorphism came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a sexual dimorphism and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a sexual dimorphism is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a sexual dimorphism, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a sexual dimorphism, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a sexual dimorphism is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }