Cell Theory Review Packet

What are the 3 cell theories?

• All cells are identical in structure and function.
• Cells can spontaneously generate from non-living matter.
• All living organisms are composed solely of tissues.
• 1) All living organisms are composed of one or more cells. 2) The cell is the basic unit of life. 3) All cells arise from pre-existing cells.

The first person to look at bark under a microscope and name them cells was __________________________.

____________________ is a cell without a nucleus.

____________________ are cells with a nucleus.

What part of the cell theory does this picture represent?

• All cells have the same structure.
• All living things are made of cells.
• Cells are not the basic unit of life.

• Cells can arise from non-living matter.

What part of the cell theory does this picture represent?

• Cells arise from pre-existing cells. (Mitosis-cell reproduction.)

• Cells can arise spontaneously from non-living matter.
• Cells are the basic unit of life.
• All living things are made of cells.

What is an example of a NONLIVING thing? ______________________

• Rock
• Sunflower

• Dog

• Human

What is the basic unit of life? ______________________

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

What are similar cells working together called? ______________________

Tags

NGSS.MS-LS1-3

Tissues working together are called ______________________.