Organelles/Parts
Cells 1
Cells 2
100

The thin covering of the cell that holds its parts together is the ________ _____________. It also controls what enters and leaves the cell. 

cell membrane

100

An organism that makes its own food (plant)

producer

100

________ _________ first discovered cells under a microscope.

Robert Hooke

200

The rigid outer layer of a plant cell that protects and supports the cell is the ______ _______.

cell wall

200

Organisms that need to eat to obtain energy (animal)

consumer

200

The basic unit of all living things is a _______.

cell

300

The jelly-like substance found in the cell that keeps the cell healthy is the __________.

cytoplasm

300

An example of a single-celled organism is __________.

bacteria

300

Since cells are so small, they can only be seen when using a _____________.

microscope

400

The ___________ make food for the plant cell.

chloroplasts

400

An example of a multi-celled organism is a _______ _______. 

plant cell or animal cell

400

What two parts does a plant cell have that an animal cell does not have?

cell wall and chloroplasts

500

The _________ of a cell controls all of the cell's activities.

nucleus

500

Plant cells are ______________ since they make their own food and animal cells are ___________ since they obtain food from the environment.

producers, consumers

500

Robert Hooke observed a piece of _____ under a microscope when he first discovered cells. 

cork

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