Fossils

In layers of sedimentary rock, where will the oldest fossils be found?

• Top

• Middle

• Bottom

Tags

NGSS.MS-ESS1-4

The imprint left behind when an organism dies in soft mud or wet sediment.

• Mold

• Imprint

• Trace

• Cast

The process where wood is replaced by minerals, making it hard and fossilized.

• Petrified

• Mortified

• Decomposition

• Rockified

Tags

NGSS.MS-LS4-1

Why are soft tissues rarely found in fossils?

• Hard tissue is hard

• Soft tissue is more vulnerable to damage/decomposition.

• Hard tissues look cooler as skeletons

• Museums only want skeletons, so no one looks for soft tissue remains.

This is a type of change within a species that allows for a better chance of survival.

• Adaptation

• Behavior

• Camouflage

• Size

Tags

NGSS.MS-LS4-4

This is when nature and the environment see fit that a plant or animal is adapted well enough to survive.

• Extinction

• Natural Selection

• Survival

• Evolution

Tags

NGSS.MS-LS4-4

Animals are only changed ONLY when humans decide they want certain traits.

• True

• False

Tags

NGSS.MS-LS4-5

This is when a species has no more of the organisms remaining.

• Survival

• Extinction

• Evolution

Tags

NGSS.MS-LS4-1

Which is much more common in earth's history in terms of plant and animal species?

• Survival

• Extinction

Tags

NGSS.MS-LS4-1

This is a period of time when a large percentage of life on earth goes extinct.

• History

• Mass Extinction Event

• Hunting/fishing.

Tags

NGSS.MS-LS4-1