AP PSYCHOLOGY UNIT 1 BIOLOGICAL BASES OF
BEHAVIOR PART 1 (1.1, 1.2, 1.3, AND 1.4)
2026 100% PASS ASSURED EXAMINATION
SOLUTIONS
heredity - correct answer- Passing of traits
from parents to offspring
nature - correct answer- the influence of our
inherited characteristics on our personality,
physical growth, intellectual growth, and
social interactions
nurture - correct answer- external factors
that one experiences, such as family
interactions or education.
Genetic predisposition - correct answer- an
inherited genetic pattern that makes one
susceptible to a certain disease or behaviors
evolutionary perspective of psychology -
correct answer- explores how natural selection
affects the expression of
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behavior and mental processes to increase
survival and reproductive success.
natural selection - correct answer- A process
in which individuals that have certain
inherited traits tend to survive and reproduce
at higher rates than other individuals because
of those traits.
eugenics - correct answer- study of factors
that influence the hereditary qualities of the
human race and ways to improve those qualities
twin studies - correct answer- a common method
of investigating whether nature or nurture
affects behavior
family studies - correct answer- researchers
assess hereditary influence by examining blood
relatives to see how much they resemble one
another on a specific trait
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adoption studies - correct answer- assess
hereditary influence by examining the
resemblance between adopted children and both
their biological and their adoptive parents
central nervous system - correct answer- brain
and spinal cord; interacts with all processes
in the body.
peripheral nervous system - correct answer-
relays messages from the central nervous
system
to the rest of the body and includes the
autonomic and somatic nervous systems.
Autonomic nervous system - correct answer-
governs processes that are involuntary and
includes
the parasympathetic and sympathetic nervous
systems.
sympathetic nervous system - correct answer-
the division of the autonomic nervous system