Examlex
____________________ involves the gradual establishment of biotic communities in lifeless areas where there is no soil.
Fearfulness
An emotional state of being frightened or scared, often triggered by perceived danger or threat.
Boredom
A state of weariness and dissatisfaction arising from a lack of interest or engagement.
Immune System
A complex network of cells, tissues, and organs in the body that works together to defend against disease and infection.
Stress
Stress is the body's response to any demand or challenge, which can be physical, mental, or emotional, ranging from beneficial to detrimental effects.
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