Cells! Cells! They're made of...

Mitosis is a kind of ___________________. 

• cell division
• nuclear division 
• cell addition 
• cell respiration 

Which statement below about cells is true?

• All things are composed of cells.
• All cells come from other cells. 
• All cells have a nucleus. 
• All cells contain organs and tissues. 

What is the smallest unit of an organism that is classified as living?

• an atom
• a molecule 
• an organ
• a cell 

Which of the following is the characteristic that all organisms have in common? 

• All organisms are made up of cells. 
• All organisms are multicellular. 
• All organisms can make their own food. 
• All organisms have cells with a nucleus. 

Meiosis is the process of _______________. 

• cell division
• nuclear division 
• cell replication 
• chromosome replication

Cell theory has three parts: The cell is the basic unit of life in all living things, all cells come from existing cells, and ______________. 

• nonliving things are composed of cells 
• the cell was discovered by Robert Hooke 
• all organisms are made of one or more cells
• all cells are microscopic in size

In multi-cellular organisms, groups of cells that work together are called:

• cytoplasm. 
• organelles. 
• nuclei. 
• tissues. 

Which of the following is in order from simplest to most complex?

• organ, tissue, cell, organ system 
• organ system, organ, tissue, cell 
• cell, tissue, organ, organ system 
• . cell, organ, organ system, tissue 

All animal and plant cells are surrounded by a thin:

• nucleus. 
• vacuole. 
• cell membrane. 
• cell wall. 

Cells are the building blocks of:

• living things 
• matter
• energy 
• rocks