Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
mass extinction event
|
| gptkbp:affects |
global ecosystems
|
| gptkbp:alsoKnownAs |
gptkb:Cretaceous–Paleogene_extinction_event
gptkb:K-Pg_extinction_event |
| gptkbp:causedBy |
gptkb:volcanic_activity
climate change asteroid impact |
| gptkbp:demarcatedBy |
gptkb:K-T_boundary
iridium layer |
| gptkbp:followedBy |
gptkb:Paleogene_period
|
| https://www.w3.org/2000/01/rdf-schema#label |
K-T extinction event
|
| gptkbp:majorImpactSite |
gptkb:Chicxulub_crater
|
| gptkbp:occurredIn |
about 66 million years ago
end of Cretaceous period |
| gptkbp:percentageOfSpeciesLost |
about 75%
|
| gptkbp:precededBy |
gptkb:Cretaceous_period
|
| gptkbp:resultedIn |
extinction of non-avian dinosaurs
extinction of ammonites extinction of many marine reptiles extinction of many plant species |
| gptkbp:significance |
beginning of Cenozoic Era
end of Mesozoic Era |
| gptkbp:studiedBy |
paleontologists
|
| gptkbp:bfsParent |
gptkb:Cretaceous-Paleogene_extinction_event
|
| gptkbp:bfsLayer |
7
|