Biology
Chemistry
Geology
History
100

Fundamentally toxic to bacteria and others in an anaerobic world 

What is Oxygen? 

100

The result of stringing together amino acids 

What are Proteins? 
100

This sits in Victoria Bennett's office in the Earth Sciences building of the Australian National University in Canberra. 

What is a fossil of the Dawn of Life? 

100

Theory about how life began posed by Lord Kelvin in 1871. 

What is panspermia (the germs of life might have been brought to the earth by some meteorite)?

200

The building blocks of life 

What are Proteins? 

200

The number of amino acids naturally occuring on Earth. 

What is 22? 

200

This machine measures the decay of Uranium in tiny minerals called Zircons 

What is SHRIMP? 

200

Proof of Lord Kelvin's 1891 Theory 

What is Carbonaceous chondrites have been found (meteorites that have organic compounds throughout them)? 

300

Undoubtedly the most important single metabolic innovation in the history of life on the planet

What is Photosynthesis 

300

In this pair one can't exist without the other, and the other has no purpose without the first. 

What are DNA, and Proteins? 

300

The currently accepted date of when life on earth began. 

When was 3.85 billion years ago? 

300

It only happened once, and because of that everything that is alive, is alive. 

What is the moment of creation, or the Big Birth. 

400

A "whiz" at replicating 

What is DNA? 

400

Sugars constantly assemble to form this molecule. 

What is Starches? 

400

The currently accepted date that the earth became solid. 

When was 3.9 Billion Years ago? 

400

Fred Hoyle's Theory for why our nostrils are on the bottom of our nose. 

What is So cosmic pathogens do not drift into them from space? 

500

These organisms created photosynthesis 

What are Bacteria? 

500

A 1,055 sequence molecule 

What is collagen? 

500

The oldest thing ever found by SHRIMP 

What is a 4.3 Billion year old Rock? 

500

In 1953, this student took two flasks, one representing the early ocean, one representing the early atmosphere, and added electrical spark to stand in for lightning. 

Who is Stanley Miller? 

M
e
n
u