Christ the King College
HIGH SCHOOL DEPARTMENT
City of San Fernando, La Union 2500 Philippines
GRADE 11 GEN BIO 1
Name: ________________________ ____ __ Date: _____________________ Work Habit (4) ____
Section: ____________Teacher: _________________________________ Accuracy/Content (4) ____
Neatness (4) ____
Punctuality (4) ____
Lab Skill (4) ____
20
CHARACTERISTICS OF LIFE
Worksheet No. 1
Learning Target:
To demonstrate understanding of characteristics of life.
1. The scientific term for a living thing is a(n) _____________________.
A. ORGANIZATION
2. All living things are ___________________.
3. What is the simplest level at which life may exist? ________________
4. What is the difference between unicellular and multicellular organisms? _______________________________
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5. Give an example of a multicellular organism and an example of a unicellular organism. __________________
6. Multicellular organisms can be organized into what other levels? _______________________________
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7. Circle which of the following would be made of cells. Place a box around the ones which only show cell
walls.
Cork
Sponge
Wood
Plastic
Tree
B. REPRODUCTION
8. Must EVERY member of a particular species be able to reproduce in order for the species to survive? Explain
why or why not. ___________________________________________________________________________
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9. What would happen if all individuals in a species were sterile (not able to have babies)?
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10. Reproduction is NOT essential for the survival of an individual ______________ but is essential for the
survival of the _____________.
11. What is meant by extinction? ________________________________________________________________
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12. Name and define the two basic kinds of reproduction. _____________________________________________
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C. GROWTH AND DEVELOPMENT
13. How do all organisms begin life? ____________________________________________________________
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14. What is the difference between growth and development? _________________________________________
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15. Do unicellular organisms GROW? Do unicellular organisms DEVELOP? ____________________________
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16. Do multicellular organisms GROW? Do multicellular organisms DEVELOP? ________________________
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17. A snowball grows when you roll it over fresh snow! Why isn’t it a living thing? How is the growth of a
living thing different from the growth of a non-living thing? _______________________________________
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D. OBTAIN AND USE ENERGY
18. Why is energy important to a living organism? __________________________________________________
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19. What is the difference between an autotroph and a heterotroph? ____________________________________
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20. What is the name of the process that plants use to make their own food using energy from the sun?
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E. RESPOND TO THE ENVIRONMENT / MAINTAIN HOMEOSTASIS
21. Give two examples of how living things respond to changes in their environment.
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22. Organisms must also respond to ________________ factors in order to stay healthy & survive.
23. Encircle which graphic BEST shows growth and which BEST shows development.
24. A snowball grows when you roll it over fresh snow! Why isn’t it a living thing? How is the growth of a
living thing different from the growth of a non-living thing?________________________________________
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Describe homeostasis ____________________________________________________________________
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F. EVOLUTION
Define evolution. _________________________________________________________________________
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25. What is adaptation and how is it related to natural selection? ______________________________________
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26. Are viruses alive? Defend your answer.
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