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Free GED Section 3 Science: Section Three Science Exam Questions and Answers
Last updated: April 6, 2025
Examtopics GED Section 3 Science: Section Three Science Prepaway Real Exam Questions and dumps free download
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658-GED Section 3 Science: Section Three Science
#Question
What does the term "carrying capacity" refer to in an ecosystem?
A.
The largest population an environment can support
B.
The number of food sources
C.
The average lifespan of species
D.
The maximum species diversity
#Question
If a biologist specializes in animal classification, what field are they likely working in?
A.
Conservation
B.
Evolutionary biology
C.
Ecology
D.
Taxonomy
#Question
How do electrical signals travel along neurons?
A.
With the help of blood
B.
Through chemical diffusion
C.
Via action potentials
D.
By virtue of osmosis
#Question
If a plant's leaves curl up in response to sunlight, what process is this an example of?
A.
Hydrotropism
B.
Growth
C.
Nastic movement
D.
Phototropism
#Question
In controlling an experiment to measure pH changes, why must all other factors be constant?
A.
To focus on pH variation
B.
To avoid confusion
C.
To make it easier
D.
To simplify the process
#Question
Why are keystone species important in ecosystems?
A.
They have a large impact on ecosystem structure
B.
They are the only species present
C.
They are easily replaced
D.
They do not interact with others
#Question
When a solid turns into a gas without becoming liquid, what is this process called?
A.
Condensation
B.
Freezing
C.
Sublimation
D.
Melting
658-GED Section 3 Science: Section Three Science
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