Question

Answer of d question urgent

Answer 1

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. Once this has taken place, the zygote begins a two-week period of rapid cell division and will eventually become an embryo.

Answer 2

1.amoeba,parmoecium
2.it means the part or the role given to each group of cells which make up an organism
3.E.COLI as prokaryote and yeast as eukaryote
4.justification needs time yar
5.both can change their shape