What extinction event resulted in the end of Dinosaurs.

The Cretaceous - Tertiary extinction

what cause the 4 main reason believed to have caused the Cambrian explosion?

Appearance of the triploblastic body form

The origin of homeobox (Hox) genes

Greater interaction between organism

Quiz

Shi Shang Tan 6 questions

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1Name the largest extinction event that resulted in 90% of species becoming extinct.
1. AThe Permian-Trassic extinction
2. BThe Tertiary extinction
3. CThe Cretaceous extinction
4. DThe Evil Quartet
2What extinction event resulted in the end of Dinosaurs.
1. AThe Evil Quartet
2. BThe Cambrian extinction
3. CThe Palaeozoic exctinction
4. DThe Devonian extinction
5. EThe Cretaceous - Tertiary extinction
3what cause the 4 main reason believed to have caused the Cambrian explosion?
1. AAppearance of the triploblastic body form
2. BIncrease in CO2 levels
3. CThe origin of homeobox (Hox) genes
4. DOxygen levels increase
5. EThe presence of trilobites
6. FGreater interaction between organism
4What was believed to have caused the Permian - Triassic extinction?
1. AMeterorites
2. Ba Ice age
3. CEnormous volcanic activity
5Name the cause of the 6th extinction event:
1. AHabitat loss
2. BVolcano eruption
3. CNatural disasters
4. DOverkill
5. EInvasive species
6. FExtinction cascade
6Human are the cause of the 6th extinction event?
1. ATrue
2. BFalse