Unit 6 Fossils

Which event best helps a fossil form?

• water washes away dirt

• animals eat soft tissue

• wind blows the dead organism away

• sediment quickly buries the dead organism

What may have caused 75% of Earth's organisms to become extinct some 65 mya?

• The temperature got too hot

• a meteorite impact

• disease

• glaciers

Tags

NGSS.MS-LS4-1

What is a mass extinction?

• one species evolves into another similar species

• all members of the same species die out unexpectedly

• large numbers of certain species become extinct overnight

• many species become extinct over a short period of time

Tags

NGSS.MS-LS4-1

Name the picture

• trilobite

• meteorite

• ammonite

• amber

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which number is the oldest layer?

• 1

• 2

• 5

• 6

Tags

NGSS.MS-ESS1-4

Which number layer is the youngest?

• 1

• 2

• 5

• 6

Tags

NGSS.MS-ESS1-4

This is hardened tree sap. What else do we call it?

• trilobite

• ammonite

• petrified

• amber

Amber found a fossil whose original material was replaced with quartz. What did she find?

• trace fossil

• carbon film

• petrified wood

• mummified body

What life forms were common during the Mesozoic Era?

• dinosaurs

• mammoths

• tree ferns

• trilobites

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What life forms were common during the Paleozoic Era?

• dinosaurs

• mammoths

• tree ferns

• trilobites

Tags

NGSS.MS-LS4-1