If X can represent the chemical symbol of any element in the periodic table, then 
X represents an isotope of
Definitions:
Plant Domestication
The process by which wild plants have been evolved into crop plants through artificial selection and breeding by humans.
Colonizer Plants
Certain plant species that quickly invade and dominate newly disturbed areas, contributing to ecological succession.
Unique Ability
A distinct capability or talent exclusive to an individual or entity, setting them apart from others.
Brian Hare
A researcher known for his work in the field of evolutionary anthropology, particularly for studies on the intelligence and behavior of dogs and other animals.
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