Biologie végétale | D'où viennent les racines ? (2)

Round-10 hunt: picked; channel-level screens (sellers/exam/re-upload/devotional/vendor/events) and provenance check passed; strict per-title check + final strict pass; oEmbed verified.

A 12-minute video from Biologiste: “Biologie végétale | D'où viennent les racines ? (2)”.

Video by Biologiste, played through YouTube's embedded player.