Origin of Life

Front

This experiment was conducted by the scientists: Stanley Miller and Harold Urey, Harold Urey and Albert Einstein, Louis Pasteur and Francesco Redi, James Watson and Francis Crick

Back

Stanley Miller and Harold Urey

Front

Which question were the scientists trying to answer with this experiment?

Back

How are biomolecules formed?

Front

The apparatus in the experiment was used to mimic what?

Back

Early Earth conditions

Front

The electrical sparks mimicked?

Back

Lightning

Front

What did Miller/Urey and other scientists demonstrate about early Earth?

Back

Amino acids could be produced from inorganic molecules

Front

Which type of cell came first?

Back

Prokaryotic

Front

The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
Options: Fossil A and C are the same age
, Fossil B is older than fossil C, Fossils A is older than fossil B, Fossil D is older than fossil C

Back

Fossil D is older than fossil C

Front

Based upon the conditions of the early Earth, which forms of life most likely appeared first?

Back

Prokaryotic and anaerobic

Front

The idea that Earth's early oceans had organic molecules that became the first life is called the...

Back

Primordial soup hypothesis

Front

Why is the Miller-Urey theory widely accepted today?

Back

The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory.