BSCS Biology: A Molecular Approach

Chapter 2: Energy, Life, and the Biosphere

Energy Flow

1.
The first law of thermodynamics means that organisms must obtain ____ from an outside source.
A)energy
B)shelter
C)organization
D)money
2.
The disorder of this bedroom is an example of which law?

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A)The law of conservation of energy.
B)The second law of thermodynamics.
C)The first law of thermodynamics.
D)Murphy's law.
3.
What is the source of the energy that turns a plantlet or embryo into a full-grown tree?
A)other plants
B)small microbes
C)the sun
D)minerals in the soil
4.
When a log burns, most of its chemical energy changes to ____ energy.
A)charcoal
B)heat
C)electric
D)motion
5.
Which of the following is the typical flow of energy through a food web?
A)from decomposers to consumers to producers
B)from producers to decomposers to consumers
C)from producers to consumers to decomposers
D)from consumers to producers to decomposers
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