The answer is A. Uracil is found in RNA only. Thymine is found in DNA only
Answer:
A multicellular organism develops from a single cell (the zygote) into a collection of many different cell types, organized into tissues and organs.During development, cells use both intrinsic, or inherited, information and extrinsic signals from neighbors to "decide on" their behavior and identity.
Tectonic plates, is probably the answer