Answer:
Unicellular organisms- Organisms which have only single cell are called unicellular organisms.
Multicellualr organisms- Organisms with many cells are called multicellular organisms.
The principle of defense-in-depth<span> is that layered security mechanisms increase security of the </span>system<span> as a whole. </span>
Answer:
fern is the producer.
Explanation:
producers are mainly green plants.
Mesophyll is a partí al reaction
