ENVIRONMENTAL SCIENCE FINAL EXAM - LISA WOOD UARK UPDATED QUESTIONS AND CORRECT ANSWERS

ENVIRONMENTAL SCIENCE FINAL EXAM - LISA WOOD
UARK UPDATED QUESTIONS AND CORRECT
ANSWERS

Question:
1. The smallest particle exhibiting the characteristics of an element is a/an
Answer:
atom

Question:
2. The second law of thermodynamics states that
Answer:
whenever energy is used, some becomes converted to a form difficult to use to do work.

Question:
3. Resource partitioning leads species to:
a. Feed at different times
b. Utilize slightly different prey
c. Develop different physiological adaptations
d. Live in slightly different regions
e. All of these would be a result of resource partitioning
Answer:
e. All of these would be a result of resource partitioning

Question:
4. The conservation of matter principle is that matter
Answer:
can neither be created nor destroyed.

Question:
5. The branch of philosophy concerned with the distinction between right and wrong and the ultimate
worth of actions of things is
Answer:
ethics

Question:
6. Networks of interactions among interdependent factors are known as
Answer:
systems

Question:
7. Positive feedback is a process
Answer:
that is self-perpetuating and where increases in a state variable lead to further increases.

,Question:
8. Supplies of fossil fuels are
Answer:
Being steadily depleted

Question:
9. the term used to describe two species that look alike and are both dangerous or unpalatable
Answer:
Mullerian mimicry

Question:
10. The ability of an ecosystem to recover from a disturbance is known as
Answer:
resilience

Question:
11. Environmentalism stemming from the publication of Rachel Carson's Silent Spring differed from
earlier North American conservation perspectives by
Answer:
Placing more emphasis on pollution problems

Question:
12. A keystone species is a species whose presence
Answer:
influences the population size of many other species in its community

Question:
13. Natural selection will ultimately make a species
Answer:
better adapted to its environment

Question:
14. Energy enters a system as sunlight and a producer is able to produce 10 kilograms of tissue. If eaten,
the producer would produce about ______ kilogram(s) of consumer tissue that would provide about
__________ kilogram(s) of tissue for a secondary consumer.
Answer:
1; 0.1

Question:
15. Evolution occurs as a result of
Answer:
better survival or reproduction rates by individuals with a particular characteristic

Question:
16. Intraspecific competition is competition among ________ for resources.

, Answer:
members of a single species

Question:
17. Producers and consumers rely on ____________ to release chemical energy stored as ATP.
Answer:
cellular respiration

Question:
18. A group of individuals of a particular type that are able to successfully interbreed is called a/an
Answer:
species

Question:
19. Red winged blackbirds chase away other red wings from the area around their nests. This behavior is
called _______ and is an example of ___________ competition.
Answer:
territoriality, intraspecific

Question:
20. What allow scientists to gather information about complicated and interrelated environmental systems?
Answer:
models

Question:
21. In experimentation, dependent variables are also known as _____________ variables.
Answer:
response

Question:
22. Which of the following is not a basic principle of science?
a. We can learn through observation
b. Simpler explanations are preferable
c. Nothing can be absolutely proven
d. All of these choices are correct
Answer:
d. All of these choices are correct

Question:
23. Most environmental problems result from
Answer:
complex, interrelated problems

Question:
24. The world's population is now more than
Answer:
7 billion