It includes killing bacteria and storing partially digested food
The right answer is D
The stomata are at the level of the epidermis of the leaves and aerial stems, the place of passage of the gases (carbon dioxide, oxygen, water vapor) which play a fundamental role in the physiology of the plant. These structures (which can be considered as "mini-organs") interactively regulate these exchanges. They are the terrestrial plants that constitute the true interface between the external atmosphere and the internal gas network.
Proteins are made inside cells. When a cell makes a protein it is called protein synthesis.
So the organisms could be classified in the same animal families
This is put together perfectly.