Examlex
A small population of a species invades an island where the species is not found.The population subsequently diverges from the ancestral population and becomes a new species.This is an example of
Severity
The intensity or degree of seriousness of a condition or situation.
Stress Disorders
Conditions characterized by psychological and physical symptoms that result from substantial or prolonged stress, such as PTSD.
PTSD
Post-Traumatic Stress Disorder; a psychiatric disorder that can occur in people who have experienced or witnessed a traumatic event.
Y Chromosome
A sex chromosome that is typically present in males and is responsible for determining male biological characteristics.
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