Environmental Science does NOT rely or draw on:
a. natural sciences such as ecology.
b. applied sciences such as engineering.
c. social sciences such as anthropology.
d. humanities such as literature.
e. All of these choices are related to environmental science✔✔E
What's the correct order of events in the scientific method?
a. Question, Observation, Hypothesis, Testing/Replication/Results, Theory
b. Observation, Hypothesis, Testing/Replication/Results, Theory
c. Question, Hypothesis, Testing/Replication/Results, Theory,
d. Observation, Question, Hypothesis, Testing/Replication/Results, Theory
e. Observation, Question, Theory, Testing/Replication/Results, Hypothesis✔✔D
What is empirical science?
a. a scientific approach using observation and experimentation
b. research findings that help solve practical problems
c. a scientific approach to predict climate problems in the future d. a method to
examine the nonliving components of the world e. a field of research including
humanities and social sciences✔✔A
In the carbon cycle, photosynthetic organisms use carbon dioxide to produce
_________.
a. sugar molecules
b. lipid molecules
c. protein molecules
d. nucleic acids
e. protons✔✔A
The specific role a species plays in its community is its ___________.
a. habitat
b. community
c. niche
d. physical environment
e. address✔✔C
Peer review is _______________.
a. the process a scientist undergoes to analyze the results of the experiment
b. a measure of how well the report is received by the general public
c. a method for measuring the results of an experiment
d. a panel of editors who proofread a report after it is accepted for publication
,e. a process by which a group of scientists evaluate a report and determine if it is of
high enough quality to publish in a journal✔✔E
Which of the following is FALSE regarding a scientific theory?
a. It can be modified over time as new information is discovered. b. It is the result of
a hypothesis being repeatedly supported by many lines of inquiry.
c. It has strong predictive powers that can explain observed phenomena.
d. It is an idea based only on observations.
e. It is a very well-supported hypothesis.✔✔D
On Earth, all ecosystems function through two fundamental processes, nutrient
cycling and energy flow. Which of the following statements is correct?
a. Nutrient cycling is considered an open process.
b. Energy flow is considered an open process.
c. Both nutrient cycling and energy flow are open processes.
d. Neither nutrient cycling nor energy flow are open processes. e. Neither nutrient
nor energy processes are important for ecosystem functioning.✔✔B
Which choice represents the correct hierarchy of organization from largest to
smallest?
a. biome → biosphere → community → ecosystem → population → individual
b. biosphere → biome → ecosystem → community → population → individual
c. ecosystem → population → individual → community → biosphere → biome
d. individual → community → population → ecosystem → biome → biosphere✔✔B
In the carbon cycle, plants remove carbon from the atmosphere through the process
of _______.
a. photosynthesis
b. cellular respiration
c. oxidation
d. transpiration
e. evaporation✔✔A
When a tree undergoes photosynthesis, it is essentially __________.
a. adding carbon dioxide to the atmosphere
b. removing carbon dioxide from the atmosphere
c. adding nitrogen to the atmosphere
d. removing nitrogen from the atmosphere
e. All of these answer choices are correct✔✔B
Why do ecologists say that Earth is a closed system for matter?
a. because there are no new inputs of matter
b. because there is no net loss of matter
c. because matter cycles in and out of organisms in ecosystems d. because matter
stays in the biosphere
e. all of the answer choices are correct✔✔E
____________: research whose findings are used to help solve practical problems
a. Empirical Science
, b. Peer-review
c. Applied Science
d. Practical science
e. Independent science✔✔C
____________: the variable in an experiment that is evaluated to see if it changes
due to the conditions of the experiment
a. Empirical variable
b. Environmental variable
c. Applied variable
d. Dependent variable
e. Independent variable✔✔D
Which biome would have the lowest mean annual temperature and the lowest mean
annual precipitation?
a. a boreal forest
b. a desert
c. a temperate grassland
d. a tundra
e. a savannah✔✔D
How is Biosphere 2 useful today?
a. People still live in the human-made biosphere.
b. Farmers use it to graze cattle.
c. It allows scientists to study the consequences of high CO2 levels.
d. Biosphere 2 no longer exists.
e. It is used as training for astronauts.✔✔C
Which of the following is true of r-selected species?
A. They usually give high parental care to their offspring.
B. They can live in unpredictable or seasonally changing environments.
C. They are slow to respond to environmental changes.
D. Their population size tends to be stable.
E. They have long life spans✔✔B
All populations eventually reach a maximum number as they experience resistance
factors. What is the name of the term describing this maximum size?
A. biotic potential
B. carrying capacity
C. growth rate
D. population density
E. population distribution✔✔B
._______________population growth produces an S curve when plotted over time.
A. Exponential
B. Biotic
C. Potential
D. Logistic
E. Resistance✔✔D