Cells are the basic unit of structure and function of living things.

• true

• false

The cell theory states that all cells come from

• life

• pre-existing cells

The cell theory also states that _________ organisms are made up of cells.

• few

• all

One more thing that the cell theory states is that the cell is the ______________________________________________________.

• basic unit of structure and function of living things

• are living organisms.

The scientist that first discovered a cell by looking at a piece of cork through his microscope is:

• Robert Hooke

• Anton Von Leeuwenhoek

This scientist discovered bacteria by looking at teeth scrapings and he called them ¨animacules¨because they looked like little animals to him.

• Anton Van Leeuwenhoek

• Isaac Newton

The first compound microscope was invented by: ____________________

• Robert Hooke

• Zacharia Jansen

Name the parts of the cell that are numbered (total of 6)

2 organelles that are only found in the plant cell are:

• cell membrane and mitrochondria

• cell wall and chlorosplast

The organelle that controls what substances go into and out of the cell and is compared to a window screen is:

• ribosomes

• cell membrane