8. Heredity
normal

બે જાતિઓના ઉદ્દવિકાસીય સંબંધને નક્કી કરવા માટેની એક લાક્ષણિકતાનું ઉદાહરણ આપો.

Option A
Option B
Option C
Option D

Solution

The presence of feathers in dinosaurs and birds indicates that they are evolutionarily related. Dinosaurs had feathers not for flying but instead these feathers provided insulation to these warm-blooded animals. However, the feathers in birds are used for flight. This proves that reptiles and birds are closely related and that the evolution of wings started in reptiles.

Standard 10
Science

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