Ch. 1 Key terms

Question 1

Environmental Science

Answer 1

The study of the air water ad land surrounding an organism or a community which ranges from small area to Earths entire biosphere; it includes the study of the impact of humans on the environment.

Question 2

Ecology

Answer 2

the study of the interactions of living organisms with one another and with their environment

Question 3

Agriculture

Answer 3

the raising of crops and livestock for food or for other products that are useful to humans

Question 4

Natural Resource

Answer 4

any natural material that is used by humans, such as water, petroleum, minerals, forests, and animals

Question 5

Pollution

Answer 5

an undesirable change in the natural environment that is caused by the introduction of substances that are harmful to the living organisms or by excessive wastes, heat, noise, or radiation.

Question 6

Biodiversity

Answer 6

the variety of organisms in a given area, the genetic variation within population, the variety of species in a community, or the variety of communities in an ecosystem.

Question 7

Law of supply and Demand

Answer 7

the law of economics that states that as the demand for a good service increases, the value of the good or service also increases.

Question 8

Ecological foot-print

Answer 8

a calculation that shows the productive area of Earth needed to support one person in a particular economy

Question 9

sustainability

Answer 9

the condition in which human needs are met in such away that a human population can survive indefinitely