Cell Theory
Living Things
Levels of Organization
Organelles
Body Systems
100

Which scientists discovered cells?
Hooke, Van Leewenhoek, Schleiden, Schwann or Virchow

Hooke

100

This type of cell is unicellular and does not have any organelles

Prokaryotic cell or Prokaryote

100

This is the smallest unit of life in all living organisms.

Cell

100

What is A:
Hint: Controls the functions of the cell

Nucleus

100

This body system breaks down our food

Digestive system

200

Which scientist discovered that plants were made of cells?
Hooke, Van Leewenhoek, Schleiden, Schwann or Virchow

Schleiden

200

This type of cell is multicellular, contains organelles and is a lot larger than a prokaryotic cell.

Eukaryotic cell or Eukaryote

200

A group of similar cells that work together to perform a specific function.

Tissue

200

What is B:

Cell Wall

200

This body system controls all the functions of the body by sending signals

Nervous System

300

Which scientists discovered that animals were made of cells?
Hooke, Van Leewenhoek, Schleiden, Schwann or Virchow

Schwann

300

Which of the following is NOT a characteristic that all living things have?
A. Made of cells
B. Have DNA
C. Need energy to survive
D. Move

D. Move

300

Two or more tissues that work together to perform a specific function form this. 

Organ

300

What is the function of organelle labeled C?

Produce energy for the cell

300

This body system is responsible for the exchange of oxygen and carbon dioxide

Respiratory System

400

What invention made it possible for us to view cells?

Microscope

400

Which of the following is NOT a characteristic that all living things have?
A. Respond to their environment
B. Need sunlight
C. Grow and Develop
D. Evolve (change over time)

B. Need sunlight

400

Multiple organs that work together make up this level of organization.

Organ System

400

What is the function of the organelle labeled D:

Stores water and nutrients

400

This system is responsible for moving blood, nutrients and oxygen through our body

Circulatory System

500

Which is NOT part of the cell theory?
A. All living things are made of cells.
B. All cells are produced from other cells.
C. All cells need nutrients to survive.
D. The cell is the basic unit of life.

C. All cells need nutrients to survive.

500

True or False.
All living things must be able to reproduce and maintain a stable internal environment (homeostasis).

True

500

This is a complete living thing that can perform all life processes on its own.

Organism

500

What is E:

Chloroplast

500

Arrange these words from smallest to largest:
Organism, Tissue, Cell, Organ System, Organ

Cell, Tissue, Organ, Organ System, Organism