Question

In single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gases or removal of wastes but it is not in case of multicellular organisms. Explain the reason for this difference.

In multicellular organism cells are in direct contact with environment

In multicellular organism cells are not in direct contact with environment

In unicellular organism cells are covered with extra layers

None of the above​

Answer 1

Answer:

ask anyone an my nemeeosgjakhvfs

Explanation:

Answer 2

Explanation:all the cells of multicellular organisms are not in contact with the environment only the cells on top layer is. Hence it is impossible to meet all the requirements of food, exchange of gases or removal of wastes

Mark me as brainliest pls