History of Life

A technique that uses the natural decay rate of unstable

isotopes found in materials in order to calculate the age of that material.

• Radiometer

• Isopotes

• Radriomeric dating

• Relative Dating

Tags

NGSS.HS-PS1-8

What is a scientist that studies fossils?

• Paleontologist

• Fossiologist

• Dinologist

• Physicist

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What provides evidence about the history of life on Earth, and shows how organisms change through time?

• fossil record

• index fossil

• geologic time scale

• half-life

Tags

NGSS.MS-LS4-1

When scientists use radioactive isotopes to estimate the age of a fossil, this is use of

• fossil record

• relative dating

• geologic time scale

• radioactive dating

When a fossil is compared to the age of other fossils in the same layer, this is use of

• fossil record

• relative dating

• geologic time scale

• radioactive dating

The amount of time it takes for half of the radioactive atoms in an isotope to decay is known as

• fossil record

• index fossil

• geologic time scale

• half-life

Tags

NGSS.HS-PS1-8

Which is the longest amount of time?

• era

• period

• second

• decade

Tags

NGSS.MS-ESS1-4

A single species that has evolved into several different forms that live in different ways has undergone

• Punctuated equilibrium

• Adaptive radiation

• co-evolution

• Mass extinction

Tags

NGSS.MS-LS4-2

The separation of populations by barriers such as rivers, mountains or bodies of water is

• Geographic isolation

• genetic equilibrium

• Behavioral isolation

• Temporal isolation

Tags

NGSS.HS-LS4-4

Which statement about Homo habilis describes a capability that helped their group survive?

• They knew how to make tools

• They came before Neanderthals.

• They lived 1.5 million years ago.

• They had both ape and human features.