Examlex
All heterotrophs to some degree function as decomposers.
Perfect Substitutes
Two goods that could be used in place of each other with no loss of utility to the consumer.
Perfect Complements
Goods that are always used together in fixed proportions, where the consumption of one good requires the consumption of a specific quantity of another good.
Indifference Curves
Graphs representing combinations of goods among which a consumer is indifferent, showing trade-offs in consumption preferences.
Marginal Utility
The extra pleasure or advantage obtained from using an additional unit of a product or service.
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