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प्रश्न
Unrelated species that have achieved the same levels of biological improvement belong to the same ______.
विकल्प
subspecies
clade
deme
grade
MCQ
रिक्त स्थान भरें
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उत्तर
Unrelated species that have achieved the same levels of biological improvement belong to the same grade.
Explanation:
Unrelated species that have achieved the same levels of biological improvement or complexity belong to the same “grade.” A grade groups organisms based on similar levels of organizational complexity or adaptation, regardless of their evolutionary lineage. In contrast, a “clade” groups organisms based strictly on common ancestry.
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