Question

Amoeba and Paramecium exchange gases
with their environment through
a) gills
b) diffusion
c) lungs
d) spiracles​

Answer 1

Answer:

Amoeba and Paramecium exchange gases

with their environment through spiracles

Answer 2

For example, in unicellular organisms such as amoeba and paramecium exchange of gases takes place through plasma membrane by simple diffusion. In earthworm, leech and frogs exchange of gases takes place through their moist skin.