Examlex
List, describe, and explain the functions of the reproductive ducts of the male reproductive system.
Nitrogen Cycle
A biogeochemical cycle that describes the transformations of nitrogen and nitrogen-containing compounds in nature.
Nitrogen Fixation
The process by which nitrogen gas from the atmosphere is converted into ammonia by certain bacteria, making nitrogen available to living organisms.
Denitrification
A microbial process occurring mostly in soil and aquatic environments, where nitrate is reduced and ultimately produces molecular nitrogen, removing it from the ecosystem.
Hydrologic Cycle
The water cycle, which includes evaporation, precipitation, and flow to the ocean; supplies terrestrial organisms with a continual supply of fresh water.
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