Patterns of Change in Life on Earth

More recent fossils have _____ __________ bodies and physical features than older ones.

• the same

• more complex

• land dwelling

• older rock

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Scientists infer that while life changes over time on Earth, not all populations change at the_________

• top and bottom

• layers

• same speed

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-4

The fossils of organisms with simpler body plans are also found in younger rock layers along with more complex fossils.

• True

• False

• True and false

Tags

NGSS.MS-LS4-1

A ____________ ___________ happens when whole groups of related species die out at about the same time because of large changes in the environment.

• house party

• funeral

• mass extinction

• transitional fossil

Tags

NGSS.MS-LS4-1

The number of new species _______ in time after a mass extinction.

• increases

• decreases

• stays the same

Tags

NGSS.MS-LS4-1

Scientists inferred that the Cretaceous-Paleogene mass extinction was caused by an asteroid hitting the earth. How did they figure this out? Choose 2

• They read it in a history book.

• There were unusual amounts of a metal called iridium in one rock layer in many different places on earth.

• They discovered tiny glass formations.

• They made an educated guess.

Tags

NGSS.HS-ESS2-7

NGSS.HS-LS4-5

Why did the meteorite striking the earth cause mass extinction?

• The animals ran away.

• There were too many rocks.

• The impact caused high temperatures.

• The fossils said so.

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS2-4

NGSS.MS-LS4-1

The earliest organisms were __________ cells.

• complicated

• pretty

• ugly

• single

Tags

NGSS.MS-LS1-1

Which event marks the beginning of the Cambrian era?

• largest mass extinction event in Earth's history

• extinction of the dinosaurs

• first animals with exoskeletons appear

• formation of Earth

Tags

NGSS.MS-ESS1-4

Scientists use evidence from their findings to support theories of life on earth. Which of these findings could not be used to provide supporting evidence that life on earth has changed over time?

• increasing complexity of fossils in younger rock layers

• increasing diversity of fossils in rock layers following an extinction

• rock layers with no fossils

• transitional fossils

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2