Examlex
Prices provide signals about resource allocation to all individuals in a ________ system.
Extinct Species
Species that no longer exist anywhere on Earth, often due to natural causes or human activities.
Ice Age
A period of long-term reduction in the temperature of Earth's surface and atmosphere, leading to the presence or expansion of continental and polar ice sheets and alpine glaciers.
Fluctuations
Variations or changes in level, strength, or value that occur over time.
Specimen
A specimen refers to a sample or example of something, often used for scientific analysis, study, or display, such as a biological sample.
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