Widmaier, Graham, Stiling | ISBN 9781266522154 (Answers Included)
Chap 01 2026 Release - Brooker
TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false.
1) All tissues are composed of cells.
1) ______
▢ true ▢ false
2) The capacity to maintain a fairly constant body temperature is a homeostatic process.
2) ______
▢ true ▢ false
3) A community is composed of different populations of animals and plants.
3) ______
▢ true ▢ false
4) A defining characteristic that distinguishes prokaryotic and eukaryotic organisms is the lack
of a cell membrane in prokaryotes.
4) ______
▢ true ▢ false
5) The modification of a limb that was used for walking in a preexisting ancestor to one that is
used as a wing for a species today is called biological organization.
5) ______
▢ true ▢ false
6) A bacterial infection such as pneumonia is most likely caused by organisms derived from the
kingdom fungi.
6) ______
▢ true ▢ false
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,7) All genetic mutations are harmful to an organism.
7) ______
▢ true ▢ false
8) Vertical evolution, whereby living organisms evolve from a common ancestor ("tree of life"),
is the only mechanism of evolution on Earth.
8) ______
▢ true ▢ false
9) Proteins, rather than genes, are most directly responsible for the structure, function, and
appearance of organisms.
9) ______
▢ true ▢ false
10) Little scientific evidence is necessary when formulating a theory.
10) ______
▢ true ▢ false
11) The maintenance of cell structure requires energy.
11) ______
▢ true ▢ false
12) Discovery-based science and hypothesis testing are the two major scientific approaches that
help us understand biology.
12) ______
▢ true ▢ false
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,CHECK ALL THE APPLY. Choose all options that best completes the statement or
answers the question.
13) A journal article that you are reading explains the difference between DNA sequences of a
species of plant that is found in diverse environments. These sequences lead to structural
change in the size of the flowers due to environmental differences. The areas of science
incorporated in this article include __________.
13) ______
A) ecology
B) anatomy
C) cell biology
D) molecular biology
E) systems biology
14) When performing hypothesis testing, the steps that most accurately describe the process you
must go through include __________.
14) ______
A) analyze data to support or reject hypothesis
B) create a natural phenomenon
C) observe a natural phenomena
D) develop a theory based on observations
E) develop hypotheses to explain phenomena
F) design experiments to determine if predictions are supported or not
15) Which of the following are related to biological sex?
15) ______
A) The terms male and female
B) Socially constructed characteristics of men and women
C) External and internal structures associated with reproduction
D) The type of gamete an individual has the potential to produce
E) The composition of sex chromosomes present in the cells
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, MULTIPLE CHOICE - Choose the one alternative that best completes the statement or
answers the question.
16) Plant photosynthesis and the consumption of plants by animals is best explained by what
unifying principle of life?
16) ______
A) All living organisms use energy.
B) All living organisms maintain organization.
C) All living organisms have evolved over the course of many generations.
D) All living organisms maintain some level of homeostasis.
E) All living organisms are composed of similar structures.
17) A plant will begin flowering in response to changes in length of daylight, temperature, and
light quality. This is an example of which unifying principle of life?
17) ______
A) Plants conduct photosynthesis.
B) Living organisms maintain homeostasis.
C) Living organisms interact with their environment.
D) Living organisms grow and develop.
E) Populations of organisms evolve from one generation to the next.
18) Whether the external temperature is hot or cold, birds maintain an internal body temperature
of approximately 40°C. This is an example of
18) ______
A) metabolism.
B) cellular respiration.
C) growth and development.
D) homeostasis.
E) proteomics.
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