Answer:
Green Algae can either be unicellular ( single-celled) or multi-cellular while land bases plants are typically multi-cellular organisms ( made up of many cells)
Explanation:
A key difference between green algae and land based plants is that; while plants are typically multi-cellular organisms, Algae can either be unicellular ( single-celled) or multi-cellular.
Thus the key difference between green algae and land based plants is their complexity. Algae are simple organisms while plants are complex, with several specialized structures.
