Last Updated
：2025/12/07
Permian-Triassic extinction
Proper noun
Japanese Meaning
ペルム紀末、約2億5190万年前に起こった火山活動に起因する大規模な大量絶滅現象（生物学・地質学の文脈における現象）
Quizzes for review
(evolutionary theory, geology) A volcanic mass extinction at the end of the Permian period 251.9 million years ago.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
Permian-Triassic extinction
The Permian-Triassic extinction reshaped marine ecosystems and cleared ecological niches that later allowed the rise of new groups.
See correct answer
The Permian-Triassic extinction reshaped marine ecosystems and cleared ecological niches that later allowed the rise of new groups.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
