This is a timed quiz.
You have 5 minutes to complete the 6 questions in this quiz.
Name the largest extinction event that resulted in 90% of species becoming extinct.
The Permian-Trassic extinction
The Tertiary extinction
The Cretaceous extinction
The Evil Quartet
What extinction event resulted in the end of Dinosaurs.
The Cambrian extinction
The Palaeozoic exctinction
The Devonian extinction
The Cretaceous - Tertiary extinction
what cause the 4 main reason believed to have caused the Cambrian explosion?
Appearance of the triploblastic body form
Increase in CO2 levels
The origin of homeobox (Hox) genes
Oxygen levels increase
The presence of trilobites
Greater interaction between organism
What was believed to have caused the Permian - Triassic extinction?
Meterorites
a Ice age
Enormous volcanic activity
Name the cause of the 6th extinction event:
Habitat loss
Volcano eruption
Natural disasters
Overkill
Invasive species
Extinction cascade
Human are the cause of the 6th extinction event?
