Fossil Record and Evolution

What term do scientists use to describe what happened at each of the marked points on the graph?

• Mass Extinction

• Minor Extinction

• There is no name for this

Tags

NGSS.MS-LS4-1

What are Transitional Fossils?

• All the fossils ever discovered on Earth

• a chart that divides Earth’s history into different time units.

• when the last individual organism of a species dies

• fossils that have characteristics of both ancestral organisms and organisms that evolved

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What can scientists use to explain when the fossils in the bottom of the figure appeared on Earth?

• relative-age dating

• trace fossils

• mineralization

• carbonization

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The diagram below shows a portion of the fossil record in sedimentary rock. Different rock layers and fossils are clearly visible. Which layer of rock is the oldest?

• Layer A is the oldest.

• Layer B is the oldest.

• Layer D is the oldest.

• They are all the same age.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What type of dating scale is shown on the right side of the figure?

• Relative Age Dating Scale

• Absolute Age Dating Scale

Which of the following is NOT a fossil?

• outline of a fern found in a rock

• petrified wood in the desert

• baby mammoth found in a glacier

• old stone tools found in a cave

Tags

NGSS.MS-LS4-1

When the last individual of a species dies, that species is considered ____

• adapted

• rare

• extinct

• evolved

Tags

NGSS.MS-LS4-1

Change in a population over time is called _____.

• conservation

• evolution

• extinction

• mutation

Tags

NGSS.MS-LS4-4

What is the fossil record?

• All the fossils ever discovered on Earth

• a chart that divides Earth’s history into different time units.

• when the last individual organism of a species dies

• fossils that have characteristics of both ancestral organisms and organisms that evolved

Tags

NGSS.MS-LS4-1

Which of the following organisms could have evolved during the Precambrian Era?

• 
• 
• 
• 

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2