biological big bang
Word Rarity
Uncommon
Frequency: Zipf frequency 4.00 in modern English
28
Scrabble Score
17
Letters
5
Syllables
8
Unique Chars
Meaning
name
The Cambrian explosion (the rapid appearance, around 541 million years ago, of most major animal phyla).
Example Sentences
- "Brocks said the new study suggested the Ediacaran biota “already contained some of the creatures that gave rise to the [Cambrian] explosion, to the rise of modern animals”. The Cambrian explosion, also called the biological big bang, was a period about 538.8m years ago when almost all major animal groups started to appear in the fossil record."