History of Earth

For radioactive dating, why is potassium-40 useful in dating the most ancient rocks?

• Its long half life

• Its short half life

• Its radioactive elements

• Its stable elements

Tags

NGSS.HS-PS1-8

In what era did the first vertebrates, insects, and land plants evolve?

• Carboniferous

• Mesozoic

• Paleozoic

• Ordovician

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

In what period did the first modern humans evolve?

• Cenozoic

• Quarternary

• Paleogene

• Mesozoic

Tags

NGSS.MS-ESS1-4

One of most important events of the Cretaceous- evolution of flowering plants, also called _______________. These flowering plants produce seeds that are inside a fruit. Many flowering plants of today appeared during this time- magnolias, figs, willows.

• Angiosperms

• Conifers

• Ferns

• Gymnosperms

Tags

NGSS.MS-LS4-2

What term do we use for a vertebrate that controls its own body temperature and feeds milk to its young? These animals first appeared in the Triassic period. During the Triassic these types of animals were very small- about the size of a mouse.

• Amphibians

• Birds

• Fish

• Insects

• Mammals

Tags

NGSS.MS-LS4-2

Mass extinctions are followed by......

• baron-land for millennia

• the same species eventually returning

• being overrun by plants

• increases in evolution and variation

Tags

NGSS.MS-LS4-4

During the Permian period at the end of the Paleozoic, a major change occurred and most species of life on Earth died out. What do we call this type of event?

• Mass Devastation

• Mass Extinction

• Scarce Devastation

• Scarce Extinction

Tags

NGSS.MS-LS4-1

Animals without a backbone are called __________.

• Fungi

• Plants

• Vertebrates

• Invertebrates

Eras are subdivided into units of geologic time called __________. Example- the Mesozoic era is includes three of these: triassic, jurassic, and cretaceous. Each of these is defined by certain events.

• Decades

• Eras

• Millenia

• Periods

• Explosions

Tags

NGSS.MS-ESS1-4

Geologists divide the time between the Precambrian and the present into three long units of time called __________. Examples of these are the: Paleozoic, Mesozoic, and Cenozoic.

• Decades

• Eras

• Millenia

• Periods

• Explosions

Tags

NGSS.MS-ESS1-4