Quizzes for review

(biology) The Cambrian explosion (the rapid appearance, around 541 million years ago, of most major animal phyla).

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

biological big bang

Scientists sometimes call the Cambrian explosion the biological big bang because so many animal body plans appeared in a relatively short time.

See correct answer

Scientists sometimes call the Cambrian explosion the biological big bang because so many animal body plans appeared in a relatively short time.

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
Editing Guideline

Login / Sign up

 

Download the app!
DiQt

DiQt

Free

★★★★★★★★★★