PWS 150 Midterm #1 (Dr. Smith) Exam Questions and Answers 100% Pass

PWS 150 Midterm #1 (Dr. Smith) Exam
Questions and Answers 100% Pass


Sustainability -

CORRECT ANSWER: Ability of the earth's various systems, including

human cultural systems and economies, to survive and adapt to

changing environmental conditions indefinitely.




QUESTION: Environment -

CORRECT ANSWER: All external conditions, factors, matter, and

energy, living and nonliving, that affect any living organism or other

specified system.




QUESTION: Ecology -

,CORRECT ANSWER: The biological science that studies how living

things interact with one another and with their environment; study of

the structure and functions of nature.




QUESTION: Organism -

CORRECT ANSWER: Any form of life




QUESTION: Species -

CORRECT ANSWER: A group of organisms that has a unique set of

characteristics that distinguish it from other groups of organisms; a set

of individuals that can mate and produce fertile offspring.




QUESTION: Ecosystem -

CORRECT ANSWER: A set of organisms within a defined area of land

or volume of water that interact with one another and with their

environment of nonliving matter and energy.

,QUESTION: Environmentalism -

CORRECT ANSWER: A social movement dedicated to trying to

sustain the earth's life-support systems for all forms of life.




QUESTION: What are the three goals of environmental science? -

CORRECT ANSWER: 1.) To learn how life on the earth has survived

and thrived.




2.) To understand how we interact with the environment.




3.) To find ways to deal with environmental problems and live more

sustainably.




QUESTION: What are the three principles of sustainability? -

CORRECT ANSWER: 1.) Dependence on solar energy

2.) Biodiversity

, 3.) Chemical Cycling




QUESTION: Dependence on solar energy -

CORRECT ANSWER: (First principle of sustainability) The sun's input

of solar energy warms the planet and provides energy that plants use to

produce nutrients. The sun also powers indirect forms of solar energy

such as wind and flowing water, which we use to produce electricity.




QUESTION: Biodiversity (Principle of sustainability) -

CORRECT ANSWER: (Second principle of sustainability) The variety

of genes, organisms, species, and ecosystems in which organisms exist

and interact. The interactions among species, especially the feeding

relationships, provide vital ecosystem services and keep any population

from growing too large. Biodiversity also provides countless ways for life

to adapt to changing environmental conditions, even catastrophic

changes that wipe out large numbers of species.




QUESTION: Chemical Cycling -