Class: 8-A

Scientist who discovered that all plants are composed of cells.

• Schwann

• Virchow

• Schleiden

Scientist who discovered cells.

• Robert Hook

• Schleiden

• Schwann

Scientist who discovered that all cells come from cells.

• Virchow

• Robert Hook

• Schleiden

Organisms made up of a single cell ....

• Multicellular

• Unicellular

• Prokaryotes

----- are the elementary particles of organisms.

A group of cells with similar structure and function to do a same job is called ---.

• Organisms

• Tissues

• Organs

Scientist who discovered that all animals are made up of cells....

• Schleiden

• Schwann

• Virchow

Organisms which made up of many cells are called ----.

Several types of tissues combine to form an ----.

Cell membrane is also called ----.