Earth History (Part 1) Test Prep

The first organic molecules were probably very simple carbon-based molecules made of a few atoms.

• False

• True

Tags

NGSS.MS-PS1-1

What natural phenomenon probably sparked the beginning of life?

• Hurricanes

• Floods

• Lightning

• Thunder

The organic compounds that evolved on Earth and were required for the origin of life were:

• Urea and amino acids

• Urea and nucleic acids

• Proteins and amino acids

• Proteins and nucleic acids (such as DNA or RNA)

Organisms that make their own food are called what?

• Consumers

• Autotrophs

• Heterotrophs

Tags

NGSS.MS-LS2-3

The last universal common ancestor (LUCA) probably multiplied by duplicating all of its cellular contents, followed by cellular division.

• False

• True

Tags

NGSS.HS-LS1-4

What process probably evolved about 3 billion years ago?

• Cellular respiration

• Catalysis

• Photosynthesis

• LUCA

Tags

NGSS.MS-LS1-6

Chloroplasts and mitochondria are thought to have once been ancient _____________ cells that were engulfed by ________________ cells.

• prokaryotic, eukaryotic

• eukaryotic, prokaryotic

• placebo, eukaryotic

• parasitic, eukaryotic

Tags

NGSS.MS-LS4-2

The level of _____ gas fluctuated during the late Precambrian period.

• Oxygen

• Hydrogen

• Carbon dioxide

• Nitrogen

Tags

NGSS.HS-ESS2-6

The late Precambrian was the time from about _______ to half a billion years ago.

• 6 billion

• 7 billion

• 2 billion

• 9 billion

Tags

NGSS.MS-ESS1-4

When was the Paleozoic Era?

• 245 to 100 million years ago

• 2 billion to 1 billion years ago

• 544 to 245 million years ago

• 1 billion years ago to 544 million years ago

Tags

NGSS.MS-ESS1-4