Natural Selection

Which type of fossil is this?

• imprint
• whole body
• cast

Tags

NGSS.MS-LS4-1

Which type of fossil is this?

• cast
• whole body
• imprint

Tags

NGSS.MS-LS4-1

Which type of fossil is this?

• imprint
• cast
• whole body

Tags

NGSS.MS-LS4-1

Which radioactive element is most likely used to date once living things?

• Uranium
• Nitrogen-14
• Carbon-14

Tags

NGSS.HS-PS1-8

Which of the following is an example of a half-life?

• 25
• 5000 years
• 1/2

Tags

NGSS.HS-PS1-8

What is the half life of Carbon-14?

• 15 seconds
• 5, 730 years
• 4.5 million years
• 25 days

Tags

NGSS.HS-PS1-8

Which is the most accurate method of dating fossils?

• radioactive
• relative
• studying layers in the earth

Which method determines a fossil's approximate age by examining which layer of earth is is found in?

• radioactive
• relative
• chemical

Tags

NGSS.MS-ESS1-4

Which of the following is NOT a reason for no complex life forms early in Earth's history?

• toxic gases
• high CO2 levels
• wide temperature swings
• too many plants

Tags

NGSS.MS-LS4-1

Evolution typically happens...

• in a few weeks
• over millions of years
• never
• in 100 years

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-1

NGSS.MS-LS4-2