Green algae is considered the ancestor of land plants due to

Explanation

The correct answer is All of these. Green algae are considered the ancestors of land plants because they share several key characteristics: they contain chlorophyll 'a' and 'b' for photosynthesis, use starch as a storage form of energy, and have cell walls made of cellulose. Each of these traits is also found in land plants, supporting the idea that land plants evolved from green algae. The other options, while correct in their own right, do not individually account for the full array of similarities that make green algae a strong candidate for the ancestor of land plants.