Hazel Point Earth History Inv. 4 Test Review

If you as the geologist were looking for early human fossils and mammals, rocks from what era would be most interesting to you?

• cenozoic

• mesozoic

• paleozoic

• precambrian

Tags

NGSS.MS-LS4-1

If you as the geologist were looking for dinosaur fossils, rocks from what era would be most interesting to you?

• cenozoic

• mesozoic

• palezoic

• precambrian

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

If you as the geologist were looking for trilobites, corals, brachiopods, early fish, and early amphibian fossils, rocks from what era would be most interesting to you?

• cenozoic

• mesozoic

• paleozoic

• precambrian

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

If you as the geologist were looking for evidence of life before the Paleozoic Era , rocks from what era would be most interesting to you?

• cenozoic

• mesozoic

• paleozoic

• precambrian

Tags

NGSS.MS-LS4-1

A span of time within an era is called?

• generation

• century

• fossil record

• period

Tags

NGSS.MS-ESS1-4

A broad span of geological time based on the general type of life existing during that time is called?

• period

• century

• era

• generation

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Periods and eras are not a set amount of time like a decade or a century, but instead they are based on?

• the thickness of rock layers

• really important events(changes) in life's organisms

• who discovered them

• how deep the layers of rock are

Tags

NGSS.MS-ESS1-4

When scientists are talking about geologic time, what amount of time are they talking about?

• 400 million years ago to the beginning of human history

• the beginning of human history to now

• Earth's origin to the beginning of human history

• Earth's origin to now

Tags

NGSS.MS-ESS1-4

Geologists really rely on index fossils to do their job. What the most important use of index fossils for them?

• They can be used as indicators for determining the age of the sediments used to form rocks.

• They can be used as indicators for what kind of life existed long ago.

• They can be used to provide evidence of the ingredients of sedimentary rocks.

• They can be used to provide evidence of the principle of original horizontality.

Tags

NGSS.MS-ESS1-4

What are some reasons that an organism that lived in ancient times may not have been discovered as a fossil? Mark 3 answers.

• The fossil has not been found yet .

• Scientists have not shared their notes with each other.

• It may have already been exposed to the weather and eroded away already.

• The organism was eaten by something or decomposed too fast and never got a chance to make a fossil.