_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

What are fossils?

• Is the change over time in populations of related organisms.

• Are the remains or evidence of once living organisms.

• A chart that divides Earth history into different time units.

• Occurs when the last individual organism of a species dies.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Look at the picture... What is circled?

• A Mold

• A Cast

A bug stuck in amber is an example of what type of fossil?

• Cast

• Trace

• Mold

• Preserved Remains

Tags

NGSS.MS-LS4-1

Which area would a shark tooth most likely be found? 

• Area A
• Area B
• Area C
• Area D

This type of fossil forms when sediments bury an organism and then sediments change into rock; the organism decays leaving a cavity in the shape of the organism.

• mold
• cast
• petrified
• trace

Tags

NGSS.MS-LS4-1

This type of fossil forms when organisms or parts, like leaves, stems, flowers, fish, are pressed between layers of soft mud or clay that hardens squeezing almost all the decaying organism away leaving the carbon imprint in the rock.

• trace
• preserved or original remains
• carbonized or carbon film
• permineralized or petrified

Remains of animals can be preserved by preventing them from decaying. What substances might help preserve parts or a whole animal

• Tar, amber, ice

• Rock, amber, ice

• ice, carbonization, trace

• tar, carbonization, rock

Tags

NGSS.MS-LS4-1

The epoch we are currently living in is the

• Holocene

• Quaternary

• Cambrian

• Pleistocene

The second broadest category of geologic time is______________?. The Cenozoic is one of them.

• era

• eon

• epoch

• period

Tags

NGSS.MS-ESS1-4