Land plants likely arose from a green alga, such as an ancient stonewort species.If you could go back in time and examine them, what feature would you look for to distinguish an early land plant from a stonewort?

Question

Quizplus · Accepted Answer

A cuticle is a waxy layer on the surface of a plant that prevents water loss. Stoneworts, which live in water, would not have a cuticle. Early land plants, on the other hand, would need a cuticle to prevent drying out in the air.

Answer: E
 Tracheids are specialized water-conducting cells found in vascular plants. They are an important adaptation for land plants that need to transport water from their roots to their leaves without drying out. Stoneworts do not have tracheids or any other specialized water-conducting cells, as they live in water and have much simpler transport systems.

Land Plants Likely Arose from a Green Alga, Such as an Ancient