45:4
وَفِى خَلْقِكُمْ وَمَا يَبُثُّ مِن دَآبَّةٍ ءَايَـٰتٌۭ لِّقَوْمٍۢ يُوقِنُونَ ٤
Saheeh International
And in the creation of yourselves and what He disperses of moving creatures are signs for people who are certain [in faith].
Tafsir of "Ibn Kathir" (English)
And in your creation, and what He spread (through the earth) of moving creatures are signs for people who have faith with certainty