Fossils - Unit 6 Review

When the last of its kind dies, a species is ________.

• fossil

• extinct

• alone

• mold

Tags

NGSS.MS-LS4-1

The remains or traces of a plant or animal that lived long ago is called a(n) ____________.

• fossil index

• mold

• cast

• fossil

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

An event that results in the dying off of many species is called a(n) ___________.

• extinct

• mass extinction

• fossil

• index fossil

Tags

NGSS.MS-LS4-1

An impression of an organism, formed when sediment hardens around an organism, is called a(n) __________.

• fossil

• cast

• copy

• mold

A model of an organism, formed when sediment fills a mold and hardens, is a(n) ___________.

• cast

• fossil

• fossil index

• mold

Tags

NGSS.MS-LS4-1

A fossil of a type of organism that lived in many places during a relatively short time span is called a(n) ___________.

• extinct

• fossil

• index fossil

• living fossil

Not every animal or plant becomes a fossil when it dies. Which event BEST helps a fossil form?

• Water washes away dirt.

• Animals eat the soft tissues.

• Wind blows the dead organism away.

• Sediment quickly buries the dead organism.

Josh read about a land animal whose fossils were found in similar rock layers in Africa and South America. What can he conclude from this discovery?

• Animal fossils all look alike.

• The landmasses were once joined together.

• The animals swam across the ocean.

• The fossils formed in an ocean and washed ashore (onto the shore).

Tags

NGSS.MS-ESS2-3

Kianna found a piece of amber. Which object/organism below would the amber most likely contain?

• 
• 
• 
• 

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Melissa was collecting fossils. She found one whose original material had been replaced by quartz. What type of fossil did she find?

• trace fossil

• carbon film

• petrified wood

• mummified body