Cells Theory Lesson

Cell Theory

The cell theory states that all biological organisms are composed of cells; cells are the unit of life and all life come from preexisting life. The cell theory is so established today that it forms one of the unifying principles of biology.​

Multiple Choice

The cell is the basic unit of structure and organization in organisms

• True

• False

Multiple Choice

How the cells reproduce

• All cells comes from preexisting cells

• Cells to reproduce will need a male and a female

• All cells exist an they do not reproduce

Multiple Choice

Cells Theory states that

• All organisms are composed of cells

• Cells cannot be destroyed

• Cells are small that atoms

• Racks can have cells

Microscope invention

​It all started in Netherlands where Zacharias Hanssen invent the telescope. Then Anton van Leeuwenhoek who heard of this telescopes instead of buying one , he make his own, it look like a tiny paddle size sunglass lens. He discover bacteria by looking dental scripings he call animecules.

Multiple Choice

Who create the microscope

• Robert Hoke

• Zacharias Hansen

• Anton van Leeuwenhoek

Open Ended

How Anton van Leeuwenhoek discover bacteria

Multiple Choice

Who create the telescope

• Rudolf Virchhow

• Theodor Schwann

• Zacharias Hanseen

• Not of the person mention

Scientist that contributed in the cell theory​

​Then Anton van Leeuwenhoek discover bacteria he also was sending letters to scientific college by name Robert Hooke, when he was looking to a little piece of cork he saw cells, then he dies. Matthias Schleiden with the investigation of plants with a microscope discovered cells and thought that all plants were made of cells Rudolf Virchow gave Theodor Schwann the reason that the cells came from other pre-existing cells, besides Theodor Schwann discovered that all animals were from cells.

Multiple Choice

Do Matthias Schleiden investigate animals cells and conclude that all living things are made of cells

• False

• True

Open Ended

How the cell theory was created

Multiple Select

Select the scientist that contributed to the cell theory

• Matthias Schleiden

• Theodor Schwann

• Not mention of the persons

• Albert Einstein

• Isaac Newton

Draw

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