Examlex
An example of an excavate that has a pellicle is Euglena .
Free Markets
Economic systems where prices for goods and services are determined by the open market and consumers, with minimal government intervention.
Opportunity Costs
The cost of foregone alternatives, or what is given up to engage in one activity instead of another.
Efficiency
The extent to which resources are used optimally to achieve a specific outcome with minimal waste.
Incentives
Factors, usually financial or material rewards, that motivate individuals or firms to act in a certain way.
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Q48: polyploidy
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