Across
- 5. Complex, multicellular organisms have their own ______ systems. p. 83
- 7. Living organisms that are made up of only one cell. p. 81
- 9. To stay alive, a unicellular organism must be able to reproduce, eat food, respond to its _______ and maintain a stable internal environment. p. 82
- 11. Some examples of unicellular organisms are algae, bacteria, some fungi, ____ , diatoms, and euglena. p. 82
- 12. The basic building block of all organisms. p. 81
- 14. Unicellular organisms are capable of surviving as a ______ cell. p. 82
Down
- 1. Cells from ________ organisms cannot survive on their own. p. 83
- 2. When tissues are grouped together, this is formed. p. 82
- 3. An example of a unicellular organism. p. 81
- 4. One of the six characteristics of all living things. p. 81
- 6. Multicellular organisms are _______ things that are made up of many different specialized cells. p. 81
- 8. This type of cell helps you sense and respond to your environment. p. 82
- 10. When cells group together, this is formed. p. 82
- 13. All unicellular organisms have only _____ cell but show all the 6 traits listed on p. 81
