Biology: The Dynamics of Life, California Edition

Section 2: The Origin of Life

The Origin of Life

1.
What is the difference between spontaneous generation and biogenesis?
A)Spontaneous generation and biogenesis both support the theory that nonliving materials are the source of living organisms.
B)Biogenesis supposes that nonliving materials can produce life, while spontaneous generation follows the idea that living things come only from other living things.
C)Spontaneous generation proposes that nonliving materials can produce life, while biogenesis follows the idea that living things come only from other living things.
D)Spontaneous generation applies only to plants and how they produce life, while biogenesis applies to animals and how they produce life.
2.
Which scientist's work disproved the theory of spontaneous generation of microorganisms?
A)Louis Pasteur
B)Stanley Miller
C)Alexander Oparin
D)Harold Urey
3.
Which hypothesis on the origin of life states that proteins, lipids, and other complex organic molecules formed when energy from the Sun and other sources caused chemical reactions among gases in Earth's prehistoric atmosphere?
A)spontaneous generation
B)biogenesis
C)primordial soup
D)self-replicating molecules
4.
Scientists theorize that the first forms of life may have been __________.
A)maggots
B)formed through spontaneous generation
C)heterotrophs
D)complex eukaryotic cells
5.
Some scientists hypothesize that the first life forms on Earth evolved from _______.
A)a protocell
B)archaebacteria
C)biogenesis
D)primordial soup
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