They evolved during the Cambrian explosion.
Is this school work ? can you tell me so i can tell you professical or common
<span>Unlike vascular plants, non-vascular plants do not have tissue specialised fro transport of fluids, so</span> they cannot control the rate of water loss. However, they have simple tissues that can perform this function. They also lack in true leaves, seeds, flowers, and roots. They usually live in moist environment so they can absorb water more efficiently.
