Biology 115 Exam Questions and
Answers 100% PASS
Which characteristic is not shared by all living organisms?
all reproduce
all reproduce, grow, and develop
all are made of cells
all respond to their environment to maintain homeostasis
they all make their own high energy compounds - CORRECT ANSWER-they all
make their own high energy compounds
DNA is one of the features common to all known forms of life.
it forms the protective outer membrane of all cells
it is found only in egg and sperm cells
,it is absent in all viruses
it contains the genetic code of life and regulates all cell activities - CORRECT
ANSWER-it contains the genetic code of life and regulates all cell activities
A sunflower plant is removed from the soil and placed horizontally on its side. Its
roots grow downward and its stem grows upward. This is an example of what life
characteristic?
evolution
response to the environment
adaptation
using and processing energy for life activities - CORRECT ANSWER-response to
the environment
A species of butterfly becomes darker over many generations as the environment
became more polluted with soot and ash particles. This can best be explained by
what life activity?
evolution
reproduction
response to the environment
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protected by copyright law
,obtaining and processing energy for life activities - CORRECT ANSWER-
evolution
When scientists generate a single informed, logical, and plausible explanation for a
question and observations about the natural world, supported by many
experiments, data, and observations, this is best termed a:
theory
prediction
hypothesis
law - CORRECT ANSWER-theory
A scientific hypothesis must be constructed with which of the following
characteristics?
it provides a reasonable answer to the proposed question, it must be testable and
falsifiable
it must be able to be proved 100% beyond a shadow of a doubt
so it can turn into a theory and then when proven 100%, a law
, it is the same as a random guess and does not necessarily have to be tested by
observation and experimentation - CORRECT ANSWER-it provides a reasonable
answer to the proposed question, it must be testable and falsifiable
Original research is critically evaluated by being reviewed by other biologists
conducting experiments in the same area. This process is often call peer review. If
the research is accepted as being valid, it is published in what is termed primary
literature (scientific journals)
True
False - CORRECT ANSWER-True
When a hypothesis is tested and supported over many years, verified by many
experiments, and observations, it may give rise to a ________________ which
offers a detailed description for what has been studied, but not necessarily
explaining how it works.
law
conjecture
axiom
theory - CORRECT ANSWER-law
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Answers 100% PASS
Which characteristic is not shared by all living organisms?
all reproduce
all reproduce, grow, and develop
all are made of cells
all respond to their environment to maintain homeostasis
they all make their own high energy compounds - CORRECT ANSWER-they all
make their own high energy compounds
DNA is one of the features common to all known forms of life.
it forms the protective outer membrane of all cells
it is found only in egg and sperm cells
,it is absent in all viruses
it contains the genetic code of life and regulates all cell activities - CORRECT
ANSWER-it contains the genetic code of life and regulates all cell activities
A sunflower plant is removed from the soil and placed horizontally on its side. Its
roots grow downward and its stem grows upward. This is an example of what life
characteristic?
evolution
response to the environment
adaptation
using and processing energy for life activities - CORRECT ANSWER-response to
the environment
A species of butterfly becomes darker over many generations as the environment
became more polluted with soot and ash particles. This can best be explained by
what life activity?
evolution
reproduction
response to the environment
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,obtaining and processing energy for life activities - CORRECT ANSWER-
evolution
When scientists generate a single informed, logical, and plausible explanation for a
question and observations about the natural world, supported by many
experiments, data, and observations, this is best termed a:
theory
prediction
hypothesis
law - CORRECT ANSWER-theory
A scientific hypothesis must be constructed with which of the following
characteristics?
it provides a reasonable answer to the proposed question, it must be testable and
falsifiable
it must be able to be proved 100% beyond a shadow of a doubt
so it can turn into a theory and then when proven 100%, a law
, it is the same as a random guess and does not necessarily have to be tested by
observation and experimentation - CORRECT ANSWER-it provides a reasonable
answer to the proposed question, it must be testable and falsifiable
Original research is critically evaluated by being reviewed by other biologists
conducting experiments in the same area. This process is often call peer review. If
the research is accepted as being valid, it is published in what is termed primary
literature (scientific journals)
True
False - CORRECT ANSWER-True
When a hypothesis is tested and supported over many years, verified by many
experiments, and observations, it may give rise to a ________________ which
offers a detailed description for what has been studied, but not necessarily
explaining how it works.
law
conjecture
axiom
theory - CORRECT ANSWER-law
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
