The Day the Mesozoic Died

What kind of plants resisted the catastrophic impact the best?

• Oaks

• Grass

• Ferns

• All of above

Tags

NGSS.HS-LS4-5

The AJ band marks the end of the mesozoic era

• True

• False

Answer explanation

It is the KT band that marks the end of the mesozoic era.

Tags

NGSS.MS-ESS1-4

The KT band is found around the world and is evidence for a massive worldwide event.

• True

• False

Tags

NGSS.MS-ESS1-4

Scientists speculate that because of the amount of iridium found in the KT boundary and the absence of a plutonium isotope what must have occured?

• Asteroid strike

• Comet strike

• Supernova

Paleontologists find more life _______________________ the KT boundary.

• below

• above

Tags

NGSS.MS-LS4-1

The AJ band marks the end of the mesozoic era

• True

• False

Tags

NGSS.MS-ESS1-4

The KT band is found around the world and is evidence for a massive worldwide event.

• True

• False

Tags

NGSS.HS-LS4-5

Scientists speculate that because of the amount of iridium found in the KT boundary and the absence of a plutonium isotope what must have occured?

• Asteroid strike

• Comet strike

• Supernova

What major event is believed to have caused the extinction of the dinosaurs at the end of the Mesozoic era?

• Volcanic eruptions

• Asteroid impact

• Ice age

• Tsunami

Tags

NGSS.MS-LS4-1

Which element found in the KT boundary layer supports the asteroid impact hypothesis?

• Gold

• Iridium

• Carbon

• Uranium