Day 7 Quiz - Earth History

Which of these statements best represents relative dating?

• Determining the approximate age of a fossil by comparing it to similar rocks and fossils of known age

• Determining the precise age of a fossil by using radioactive dating to measures

• Determining the age of fossil by counting the layers of rock

The Geologic Time Scale is a record of

• Every living thing ever to exist

• Earth’s history, divided into blocks of time distinguished by geologic and evolutionary events.

• The mass of rocks and fossils that make up the Earth’s continental crust

Tags

NGSS.MS-ESS1-4

Molecular Clocks help us explain

• How long ago two sequences diverged based on rate of change

• The shape of different proteins based on their amino acid sequence

• The physical characteristics of the last common ancestor of humans, chimpanzees, and gorillas.

Tags

NGSS.HS-LS4-1

Based on the current scientific evidence, how old is the Earth?

• 4-6 thousand years old

• 460 million years old

• 4.6 billion years old

Tags

NGSS.HS-ESS1-6

What does the saying “We are made of stardust!” refer to

• That the existence of life on Earth is magical

• That all of the atoms that make up the Earth and everything on it come from exploding stars

• That everything living breathes in stardust from the atmosphere

Tags

NGSS.HS-ESS1-3

What was formed in the Miller-Urey experiments?

• Amino acids

• Proteins

• DNA

Tags

NGSS.HS-LS1-6

Which of these was one of the earliest prokaryotic cells?

• LUCA

• Paramecium

• A brain cell

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

The earliest cells were probably

• autotrophs

• heterotrophs

• chemotrophs

How did photosynthesis make cellular respiration possible?

• Because photosynthetic bacteria became an important source of food for other organisms

• Because it made lots of toxic oxygen that other living organisms took advantage of for energy

• Because the toxic oxygen it created killed off competing organisms

Tags

NGSS.HS-LS2-5

The which of these theories explains how early cells developed organelles like mitochondria

• Germ Theory

• Endosymbiotic Theory

• RNA World Hypothesis