Life Over Time

Within a species, there are naturally occurring differences, or __________, in traits.

• Variation

• Mutation

• Adaptation

• Extinction

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

An important source of variation is a _____________, or change in genetic material.

• Variation

• Mutation

• Adaptation

• Extinction

Tags

NGSS.MS-LS3-1

An inherited trait that helps an organism survive and reproduce in its environment is an _______________.

• Variation

• Mutation

• Adaptation

• Extinction

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

____________ occurs when all members of a species have died.

• Variation

• Mutation

• Adaptation

• Extinction

Tags

NGSS.MS-LS4-1

The remains or imprints of once-living organisms are called _____________.

• fossils

• fossil record

Tags

NGSS.MS-LS4-1

A ____________ is a trace or imprint of a living thing that is preserved by geologic processes.

• Fossil

• Fossil Record

• Extinction

• Geologic Time Scale

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

All of the fossils that have been discovered worldwide make up the ____________________.

• Fossil

• Fossil Record

• Extinction

• Geologic Time Scale

Tags

NGSS.MS-LS4-1

An _______________ happens when every individual of a species dies.

• Fossil

• Fossil Record

• Extinction

• Geologic Time Scale

Tags

NGSS.MS-LS4-1

The _________________ is the standard method used to divide Earth's long 4.6 billion year natural history into manageable parts.

• Fossil

• Fossil Record

• Extinction

• Geologic Time Scale

Tags

NGSS.MS-ESS1-4

All of the fossils that have been discovered make up the ___________________.

• fossils

• fossil record

Tags

NGSS.MS-LS4-1