AsosiyAudioBolalar
Удалённый аккаунт
Удалённый аккаунтiqtibos olmoqda4 yil oldin
In one country the inhabitants value a fleet or light dog or horse, and in another country a heavier and more powerful one; in neither country is there any selection of individual animals with lighter or stronger bodies and limbs; nevertheless after a considerable lapse of time the individuals are found to have been modified in the desired manner almost uniformly, though differently in each country.
The Descent of Man
The Descent of Man
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Charles Darwin
The Descent of Man
Charles Darwinva boshqalar
171

Kirish yoki roʻyxatdan oʻtish sharh qoldirish uchun