Exploration Student Worksheet: Single-Celled Organisms
Overview
In this Exploration, you will explore how single-celled organisms move. You will learn how they
eat and absorb nutrients.
Questions
1. Why do you think you need a microscope to see most single-celled organisms?
2. In general, single-celled organisms that use false arms or hairs to move cannot survive in dry
environments, such as deserts. Why?
3. Do you think one of these single-celled organisms can survive in a cup of clean, filtered
water? Why?
How to Use This Exploration
1. Read the Introduction and click the Continue button.
2. Read the text and follow the instructions.
3. Watch the animation and read the outcome explanations as they appear. Make a sketch of
the single-celled organisms. Record how they move and get nutrients.
4. Click the Next button to move ahead in the exploration. Click the Previous button to go
back to the previous instruction. Click the Reset button to restart the exploration.
5. Click the Close button to close the Exploration.
Worksheet: Single-celled Organisms
©2008 Discovery Communications, LLC
Exploration Student Worksheet: Single-Celled Organisms
Data:
Sketch each single-celled organism. Then describe how it moves and how it gets food.
Organism (sketch)
Worksheet: Single-celled Organisms
How It Moves
How It Gets Food
©2008 Discovery Communications, LLC