Evidence of Evolution

• _________ are the preserved remains or evidence of once-living organisms.

• Fossils

• Teeth

• Bones

• Skin

Tags

NGSS.MS-LS4-1

All the fossils ever discovered on Earth make up the _________.

• Birth Certificate

• Fossil Record

• DNA

• Chromesomes

Tags

NGSS.MS-LS4-1

• Sometimes when the remains of an organism get buried in mud, wet sand, or other sediments under a body of water, the molecules that formed the remains get replaced by minerals in the water. This type of fossil formation is called ____________.

• Trace fossil

• Cast fossil

• Mineralization

• Carbonization

• In __________, a fossil forms when a dead organism is compressed over time and pressure drives off the organism’s liquids and gases.

• mold

• • carbonization

• cast

• trace

Sometimes organisms or parts of organisms make an impression in sand or mud. This type of fossil formation is called _____________.

• cast

• mold

• trace fossil

• wood

Tags

NGSS.MS-LS4-1

• The kind of fossil that forms as an impression in rock is called a ____________.

• mold

• cast

• trace fossil

• amber

If the impression gets filled with sediments that harden to rock, a __________ is the result.

• amber

• mold

• skin

• cast

In __________, scientists determine the relative order in which rock layers were deposited.

• absolute-age dating

• tinder-age dating

• relative-age dating

• radioactive-age dating

Tags

NGSS.MS-ESS1-4

• _____________ is more precise than relative age dating. Scientists take advantage of radioactive decay, a natural clocklike process in rocks, to learn a rock’s absolute age in years.

• Relative-age dating

• POF-age dating

• DNA-age dating

• • Absolute-age dating

The _____________ is a chart that divides Earth’s history into different time units.

• math time scale

• geologic time scale

• geography time scale

• dna time scale

Tags

NGSS.MS-ESS1-4