Question

Classify on the organisms on the basis of number of cell?

Answer 1

organisms are broadly classified in two categories on the basis of number of cells-

1) Unicellular organisms- those animals which are single celled i.e., they are made up of one one cell which performs all the basic life activies alone. E.G- Amoeba, Paramecium, Bacteria etc.

2) Multicellular organisms- those animals whiich are multi celled i.e., they have more than one cell (millions of cells). these organisms show division of labour. E.G- Human Beings, Mammals like dogs, whale, cows etc.