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20 questions
Allows us to simplify a complex set of interactions
Transformation
System
Model
Cycle
Exchanges energy but does not exchange matter
Closed system
Open system
Isolated system
Systems approach
................. moves energy and matter but in the process of doing so, there is a change in state or form.
What is the ultimate form of all energy?
People-centred approach in which people manage their environment and themselves with the help of independent regulatory authorities. Population control and resource management are given equal importance.
Ecocentrism
Anthropocentrism
Self-reliant soft ecologist
Technocentism
Nature-centred holistic view in which environmental, social, and spiritual aspects are integrated. They propose self-reliance, self-restraint, and minimal disturbance of the natural processes to achieve sustainability for the whole earth.
Anthropocentrism
Technocentrism
Deep ecologist
Ecocentrism
.................................. ................................... is development that meets the needs of the present without compromising the ability of future generations to meet their own needs
Natural resources that produce sustainable natural income of goods and services
Natural capital
Natural income
Natural yield
The management of the exploitation of resources that allows for replacement of the resources and full recovery of the ecosystems that may be affected by extraction.
Environmental impact assessment
Sustainability
Ecological footprint
Natural Yield
The process of identifying, predicting, evaluating and mitigating the biophysical, social, and other relevant effects of development proposals prior to major decisions being taken and commitments made.
Environmental impact assessment
Sustainability
Ecological footprint
Natural Yield
The amount of land and water that is required to support a human population at a given standard of living – providing all the resources and assimilating all the waste.
Environmental impact assessment
Sustainability
Ecological footprint
Natural Yield
................... is the increase in disorder and randomness in a system
This type of feedback promotes stability in a system as it reverses the change and returns the system to the original state of equilibrium.
Positive feedback
Negative feedback
This type of feedback amplifies the change in the system and keeps it going in the same direction.
Negative feedback
Positive feedback
A .................. .............. is part of a system that kick-starts self-perpetuating positive feedback loops that push the systems to a new state of equilibrium.
.................. is the ability of an ecosystem to remain in balance
...................... is when the ecosystem continues to function during a disturbance
...................... is the ability of the ecosystem to recover after a disturbance
......................pollutants are released into the environment directly from a source in the form they are produced. For example dust, ash, CO2 from car exhausts, CFC’s.
...................... is the addition of substances into the natural environment at a rate that us greater than that at which they can be rendered harmless and which causes adverse changes
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