Examlex
The body contains 11 different organ systems.The ___________ system is responsible for secreting the hormones that help integrate the body's activities.
Earth Rotation
The spinning of the Earth around its own axis, which takes approximately 24 hours to complete and results in day and night.
Nitrogenase Enzyme
An enzyme complex responsible for the reduction of atmospheric nitrogen to ammonia, a critical step in the nitrogen fixation process.
Nitrogen Cycle
The biogeochemical cycle that describes the movement and transformation of nitrogen through the atmosphere, living organisms, and soil.
Nitrogen Fixation
A process by which nitrogen in the Earth's atmosphere is converted into ammonia or related nitrogenous compounds in soil.
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