Test Bank for Principles of Biology, 4th Edition by Robert Brooker, Eric
Widmaier - All Chapters ( 1-47 ) || Latest Version 2024 A+
Chapter1: An Introduction to Biology
1) Plant photosynthesis and the consumption of plants by animals is best explained by what
unifying principle of life?
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.
2) 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?
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.
3) Whether the external temperature is hot or cold, birds maintain an internal body temperature
of approximately 40°C. This is an example of
A) metabolism.
B) cellular respiration.
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C) growth and development.
D) homeostasis.
E) proteomics.
4) Proteins are largely responsible for the traits of living organisms while_________ provides
the blueprint for the organization, development, and function of living things.
A) DNA
B) protein
C) carbohydrate
D) lipid
E) metabolite
5) Which level of organization includes all of the others in the list?
A) cell
B) tissue
C) organ
D) organism
E) population
6) Which level of organization is common to all life forms?
A) cell
B) tissue
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C) organ
D) organism
E) population
7) When cells in an organism associate with each other they form
A) atoms.
B) molecules.
C) macromolecules.
D) tissues.
E) populations.
8) A community of organisms interacting with their physical environment is a/an
A) population.
B) organism.
C) biosphere.
D) ecosystem.
E) macromolecular community.
9) In life, which is the simplest of all levels of organization?
A) atom
B) cell
C) organ
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D) organism
E) population
10) Molecules are made up of_________.
A) atoms
B) cells
C) organs
D) organisms
E) populations
11) The boa constrictors located on an island is an example of _________.
A) a cell
B) an organ
C) an organism
D) a population
E) an ecosystem
12) A flower on a plant represents the_________ level of organization.
A) atom
B) cell
C) organ
D) organism
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