Organism Review

4. All organisms are able to ______ their own environment.
5. A _____________ are a good example of unicellular organisms, that live on bacteria and algae.
7. An ant is an example of an ________________.
8. A mushroom is an example of a _____________. , fungus
10. There are _____ different groups of organisms.
12. A ___________ organism is made up of more than one cell.
13. A squirrel is an example of a ______________.
14. Organisms having the ability to change their position in the environment is called _______.
16. _________ are usually found in or near water.
17. The _______ and blood vessels are major organs in the circulatory system.

1. The biggest organ in the human body is _______.
2. The esophagus and stomach are both organs in the _______ system.
3. The major function of the _________ system is to exchange oxygen and carbon dioxide.
6. _________ is the process in which cells that do one kind of job become different from cells that do another kind of job.
9. A _______________ organism is made up of only one cell.
10. Cilia, _________, and pseudopods help unicellular organisms move in different ways.
11. Two or more tissues that work together to perform one or more functions is called an _______.
15. _______ allows organisms to change their form or shape.