In unicellular organisms, essential nutrients can be transported directly to all parts of their body by the process of diffusion only because unicellular organisms have

In unicellular organisms, essential nutrients can be transported directly to all parts of their body by the process of diffusion only because unicellular organisms have:

• A. a large surface area to volume ratio
• B. a large volume to surface area ration
• C. permeable cell membrane
• D. outer membrane made of cellulose
• E. their body always immersed in the nutrient material.

Ans: A. a large surface area to volume ratio