______ share many features of embryonic development with echinoderms, but have evolved separately for at least 500 million years.

______ share many features of embryonic development with echinoderms, but have evolved separately for at least 500 million years.

ایکینوڈرمز کے ساتھ جنین کی نشوونما کی بہت سی خصوصیات کا اشتراک کرتے ہیں، لیکن کم از کم 500 ملین سالوں سے الگ سے تیار ہوئے ہیں۔ ______
Explanation
  • Chordates share embryonic development traits such as radial cleavage and formation of the anus from the blastopore with echinoderms.
  • Despite these similarities, they have evolved independently for over 500 million years.