Question

Every multi cellur organisms has come form single cell. Justify

Answer 1

Answer:

this is because cells always multiply from pre-existing cells and this always multiplies when needed

Answer 2

Answer:

Yes it is true that every multicellular organism arises from a single cell. Cells divide to produce cells of their own kind. For example, after an ovum has been fertilized, the resulting one-celled organism becomes known as a zygote.