I think it will be
b)be multicellular
Differentiation of cell is the process by which cell becomes spesialized in order to perform different functions))
Topography is occupied with how individuals and societies identify with the physical environment. The biggest environment of which we are part is the biosphere. The biosphere is the part of the world's surface and its environment where living beings exist. It has additionally been portrayed as the life-supporting layer that encompasses the Earth.
The biosphere we live in is comprised of biomes. A biome is a vast topographical district where certain sorts of plants and creatures flourish.
Operant molding is essentially an aftereffect of gaining from the results of the boost. It is an attribute that has advanced through time with numerous life forms.
The sequence of amino acid in polypeptide is dictated by the codons in the messenger RNA molecules from which polypeptide was translated. The sequence of codons in the mRNA was in turn dictated by the sequence of codons in the DNA from which the mRNA was transcribed. The amino acids are linked covalently by peptide bonds.