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WorksheetsOrigin of Life Theories
Total questions: 6
Worksheet time: 2mins
Which scientific theory proposes that life on Earth originated from non-living molecules
through a series of chemical reactions?
Creationism
Spontaneous Generation
Intelligent Design
What is not the main component of the Miller-Urey experiment, which aimed to simulate
the conditions of early Earth?
Ammonia
Oxygen
Hydrogen
Carbon dioxide
Which scientist is famous for proposing the "primordial soup" theory as a potential
environment for the origin of life?
Charles Darwin
Alfred Wegener
Oparin Haldin
Lamark
Organic molecules can form spontaneously from inorganic materials
True
False
In Early Earth, which molecule was not present in the atmosphere?
Nitrogen
Carbon Dioxide
Glucose
Oxygen
The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today?
Amino acids spontaneously form from molecules in the atmosphere today.
Organic molecules are present today in extremely high concentrations.
The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory.
No other alternative hypotheses have been introduced.
