Monomers are the building blocks of the four basic macromolecules of life- monosaccharides are the monomers of carbohydrates, amino acids are the monomers of proteins, glycerol/fatty acids are the monomers of lipids, and nucleotides are the monomers of DNA.
CREDITS TO GOOGLE!
Answer:
Circle - Phosphate group
Rectangle - Nitrogen base
Middle - Pentose sugar
Explanation:
Yes when a tadpole "evolves" it will grow into something different