Examlex
A probability distribution for all possible values of a sample statistic is known as a _____.
Decomposers
Organisms, such as bacteria and fungi, that break down dead or decaying organic matter, recycling nutrients back into the ecosystem.
Low Oxygen
Conditions where the level of oxygen in an environment is below the necessary threshold to support most life forms.
Plankton
Small and often microscopic organisms that drift or float in water, forming the base of aquatic food webs.
Primary Productivity
The rate at which plants and other photosynthetic organisms produce organic compounds (such as carbohydrates) from carbon dioxide and water in the presence of sunlight, which serves as the basis for most food chains.
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