Question

4 differences between unicellular and multicellular organisms

Answer 1

Unicellular organisms :

1)Consists of a single cell.

2) All activities of these organisms are performed by a single cell.

3) There is no division of labour as the single cell performs all the activities.

4) Reproduction consumes a single cell.

5) The life span of an individual is short.

Multicellular organisms :

1) Consists of large no. of cells.

2) A single cell peforms one or few activities of the organisms.

3) Cells are specialised to perform different functions of the body so that there is division of labour within the cells.

4) Only some cells of the body called the germ cells take part in reproduction.Other cells remain intact.

5) The life span of an individual is long.

Hope it helps !

Answer 2

The 4 differences between unicellular and multi-cellular organisms are as follows :

Ф Unicellular organisms have only one cell .

Ф Multi-cellular organism have multiple cells .

Ф The unicellular organisms undergo nuclear fission and asexual reproduction.

Ф Multi-cellular organisms undergo sexual reproduction.

Ф They do not have complex organ systems .

Ф They are made of complex organ systems.

Ф Their process are carried by only one cell.

Ф Different cells have different functions.