Space Exploration, The Cell and Cell Theory

Which of the following scientists contributed to the cell theory?

• Rudolf Virchow, Albert Einstein, Anton van Leuwenhoek
• Matthais Schleiden, Theodor Schwann, Rudolf Virchow
• Robert Hooke, Charles Darwin, Anton von Leuwenhoek
• George Clooney, Matthais Schleiden, Charlie Sheen

Which of the following scientists concluded that all ANIMALS are made of cells?

• Rudolf Virchow
• Matthais Schleiden
• Robert Hooke
• Theodor Schwann

Which of the following statements is NOT part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

The invention of the microscope made it possible for people to discover and learn about

• Plants
• Skin 
• Animals 
• Cells

What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move. 

The basic unit of life is called a (n)

• atom
• compound
• cell
• energy

The first part of the Cell Theory states: "What happens in Cell Theory, stay in Cell Theory."

• True
• False

When observing cells, which of the following optical tools is most appropriate?

• Hand lens
• Telescope
• Petri dish
• Microscope

Why are microscopes important when studying most cells?

• Most cells are very large.
• Most cells are very small.  
• Most cells move very quickly.
• Most cells are dead.  

The third part of cell theory states: "All cells come from existing cells."

• False
• True