Question

in single celled organism diffusion is sufficient to meet all their requirements of food exchange of gases or removal of waste but it is not in case of multicellular organism's explain the reason for this difference​

Answer 1

Answer:

diffusion alone is not at all sufficient

for a multicellular organism to meet the

oxygen demands.

Explanation:

because a multicellular organism is made up of many organs and due to this

their energy demand increases and so their oxygen demands too increases thus diffusion is not the option choosed in case of multicellular organism

Answer 2

Answer:

done below

Explanation:

because a multicellular organism is made up of many organs and due to this

their energy demand increases and so their oxygen demands too increases thus diffusion is not the option choosed in case of multicellular organism