Answer:
A unicellular organism is formed by a single cell. ... The circulation in unicellular organisms is carried out by the movement of the cytoplasm of the cell called cyclosis.
Answer:
Diseases that can reproduce pandemics
The DNA has to code for a protein and it has to replicate
Answer:
found lining many areas that contact the external environment
plays a role in protection
Explanation:
Explanation: Epithelial tissue is composed of cells laid together in sheets with the cells tightly connected to one another. Epithelial layers are avascular, but innervated. Epithelial cells have two surfaces that differ in both structure and function.
Pathways, storage, transfers and transformations have an effect on the global climate and human welfare.
