BIO 181
Bio 181 Exam 1 Study Guide Questions
with Correct Answers 2025
It is easy to define life - Correct Ans-False
Which of the following is NOT one of the main seven characteristics of life?
a. Cells
b. Water
c. Sensitivity
d. Homeostasis - Correct Ans-b. Water
Which of the following is NOT one of the main seven characteristics of life?
a. Global change
b. Energy utilization
c. Evolutionary Adaptations
d. Growth, Development, Reproduction - Correct Ans-a. Global Change
What is the basic fundamental unit of life? - Correct Ans-Cell
__________ is maintaining a stable environment in cells. - Correct Ans-Homeostasis
The proper order of hierarchical organization of living systems. - Correct Ans-Cellular,
Organism, Population, Ecosystem, Biosphere
More than the sum of its parts, not additive; result from interaction of components;
cannot be deduced by looking at parts themselves, describes life as..... - Correct Ans-an
emergent property
Using general principles to make specific predictions; starting from the top and working
your way down is the way __________ reasoning works - Correct Ans-Deductive
Starting with the individual and making a generalized conclusion is the way _________
reasoning works. - Correct Ans-Inductive
The first step of the scientific method is - Correct Ans-observation
The three domains of life are..... - Correct Ans-Bacteria, Archaea, Eukarya
Which of the following is NOT one of the seven unifying themes of biology?
a. Cell theory
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, BIO 181
b. Nonequilibrium state
c. Structure and function
d. Chromosomal inheritance - Correct Ans-d. Chromosomal inheritance
Which of the following is NOT one of the seven unifying themes of biology?
a. Dormancy and diversity
b. Evolutionary conservation
c. Diversity of life arises by evolution
d. Cells are information-processing systems - Correct Ans-a. Dormancy and diversity
Which of the seven unifying themes of biology did NOT appear on the quiz?
a. Cell theory
b. Molecular basis of inheritance
c. Structure and function
d. Diversity of life arises by evolution - Correct Ans-b. Molecular basis of inheritance
______ is defined as evolutionary changes within species. - Correct Ans-Microevolution
______ is the raw material of natural selection. - Correct Ans-Genetic Variation
During artificial selection, selection pressure is exerted by..... - Correct Ans-Humans
Which of the following takes a LONG time and results in few phenotypic changes? -
Correct Ans-Natural selection
True or False: Individuals evolve and are the smallest unit of evolution. - Correct Ans-
False
Upon what does natural selection act? - Correct Ans-The phenotype
Which of the following is most likely to cause a population to evolve?
a. No natural selection
b. Random mating
c. No mutations
d. Genetic drift - Correct Ans-d. Genetic drift
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Bio 181 Exam 1 Study Guide Questions
with Correct Answers 2025
It is easy to define life - Correct Ans-False
Which of the following is NOT one of the main seven characteristics of life?
a. Cells
b. Water
c. Sensitivity
d. Homeostasis - Correct Ans-b. Water
Which of the following is NOT one of the main seven characteristics of life?
a. Global change
b. Energy utilization
c. Evolutionary Adaptations
d. Growth, Development, Reproduction - Correct Ans-a. Global Change
What is the basic fundamental unit of life? - Correct Ans-Cell
__________ is maintaining a stable environment in cells. - Correct Ans-Homeostasis
The proper order of hierarchical organization of living systems. - Correct Ans-Cellular,
Organism, Population, Ecosystem, Biosphere
More than the sum of its parts, not additive; result from interaction of components;
cannot be deduced by looking at parts themselves, describes life as..... - Correct Ans-an
emergent property
Using general principles to make specific predictions; starting from the top and working
your way down is the way __________ reasoning works - Correct Ans-Deductive
Starting with the individual and making a generalized conclusion is the way _________
reasoning works. - Correct Ans-Inductive
The first step of the scientific method is - Correct Ans-observation
The three domains of life are..... - Correct Ans-Bacteria, Archaea, Eukarya
Which of the following is NOT one of the seven unifying themes of biology?
a. Cell theory
1|Page
, BIO 181
b. Nonequilibrium state
c. Structure and function
d. Chromosomal inheritance - Correct Ans-d. Chromosomal inheritance
Which of the following is NOT one of the seven unifying themes of biology?
a. Dormancy and diversity
b. Evolutionary conservation
c. Diversity of life arises by evolution
d. Cells are information-processing systems - Correct Ans-a. Dormancy and diversity
Which of the seven unifying themes of biology did NOT appear on the quiz?
a. Cell theory
b. Molecular basis of inheritance
c. Structure and function
d. Diversity of life arises by evolution - Correct Ans-b. Molecular basis of inheritance
______ is defined as evolutionary changes within species. - Correct Ans-Microevolution
______ is the raw material of natural selection. - Correct Ans-Genetic Variation
During artificial selection, selection pressure is exerted by..... - Correct Ans-Humans
Which of the following takes a LONG time and results in few phenotypic changes? -
Correct Ans-Natural selection
True or False: Individuals evolve and are the smallest unit of evolution. - Correct Ans-
False
Upon what does natural selection act? - Correct Ans-The phenotype
Which of the following is most likely to cause a population to evolve?
a. No natural selection
b. Random mating
c. No mutations
d. Genetic drift - Correct Ans-d. Genetic drift
2|Page
