Ch 20- History of the Earth

Which sentence is true about fossils?

• Most organisms that die are preserved as fossils

• Fossils can include footprints, eggs, or other traces of organisms

• Fossils cannot indicate what an organism ate.

• Most fossils form in metamorphic rock.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What type of evolution is pictured?

• coevolution

• convergent evolution

• divergent evolution

• adaptive radiation

Tags

NGSS.MS-LS4-2

Theorizes that mitochondria and chloroplasts were formerly small prokaryotes that began living within larger cells.

• endosymbiotic theory

• stromatolites

• geologic record

• paedomorphosis

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

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

• punctuated equilibrium

• coevolution.

• mass extinction

• adaptive radiation.

Tags

NGSS.MS-LS4-4

Timeframe during Earth’s history when huge numbers of species suddenly disappeared are called

• periods conclusions

• Variations

• mass extinctions

• isolations

Tags

NGSS.MS-LS4-1

The geologic time scale

• represents evolutionary time

• is divided up into eras and periods

• Shows the history of the earth from beginning till present

• All of the above

Tags

NGSS.MS-ESS1-4

What type of evolution is pictured?

• coevolution

• convergent evolution

• divergent evolution

• adaptive radiation

More than ______% of all species that ever lived are now extinct.

• 30

• 99

• 50

• 78

Tags

NGSS.MS-LS4-1

Sedimentary rock is layers of rock formed from

• the hard parts of organisms.

• small particles of sand, silt, and clay.

• wood, shell, and bone.

• the soft parts of organisms.

The first organisms on Earth were most like today’s

• bacteria

• multicellular organisms.

• eukaryotes

• DNA molecules.

Tags

NGSS.MS-LS4-2