وَمَا ذَرَاَ لَـكُمۡ فِىۡ الۡاَرۡضِ مُخۡتَلِفًا اَلۡوَانُهٗؕ اِنَّ فِىۡ ذٰلِكَ لَاَيَةً لّـِقَوۡمٍ يَّذَّكَّرُوۡنَ
And (of the animal world, vegetable world and minerals) whatever He has created for you in the earth which have separate colours (genders, species, classes, characteristics and benefits, etc. — all have been subdued to your service). Verily, there is a Sign in it for those who take advice.