Cell Theory
This scientist first saw "cells" when looking at cork under a microscope.
Robert Hooke
The control centre of the cell.
Nucleus
All living things need this for survival.
Energy
Cell theory states that all living things are made of...
Cells
The powerhouse of the cell that makes energy.
Mitochondria
Plants make their own food through this process.
Photosynthesis.
According to cell theory, all cells come from...
Pre-existing cells.
This organelle stores food, water and waste.
Vacuole
List three characteristics that all living things share.
Made of cells
Use energy
Grow
Reproduce
Respond to the environment
Produce waste
Which scientist improved the microscope and observed single-celled organisms in pond water?
Anton van Leeuwenhoek
Which organelle moves materials within the cell?
Endoplasmic reticulum
A dog grows from a puppy to an adult. What characteristic of living things does this show?
Growth and development
Name the three main parts of the cell theory.
1. All living things are made of one or more cells
2. The cell is the basic unit of life
3. All cells come from pre-existing cells.
This organelle packages and distributes proteins.
What is the Golgi body?
Explain why viruses are not living things.
Not made of cells
Do not use energy on their own
Cannot reproduce without a host cell