Ch. 1 Key Terms Flashcards
Environmental
The study of air water and land surrounding an organism or a community.includes the study of the impact of humans on the environment
Ecology
the study of the interactions of living organisms with one another and with their environment
agriculture
the raising of crops and livestock for food or for other products that are useful to humans
natural resource
any natural material that is used by humans, such as water, petroleum, minerals, forests, and animals
pollution
an undesirable change in the natural environment that is caused by the introduction of substances that are harmful to living organisms or by excessive wastes, heat, noise, or radiation
biodiversity
the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem
Law of supply and demand
a law of economics that states that as the demand for a good or service increases, the value of the good or service also increases
ecological footprint
a calculation that shows the productive area of Earth needed to support one person in a particular country
sustainability
the condition in which human needs are met in such a way that a human population can survive indefinitely