Study Skills: Use your book to help you answer the following questions:
Characteristics of Life
Directions: On the line before each definition, write the letter of the term that correctly matches it.
Each term is used only once.
1. a tadpole changing into a frog
2. a bacterium dividing and becoming two bacteria
3. eating because you feel hungry
4. your body temperature staying the same
5. what you need for doing all activities
6. groups of cells working together
A. growth and
development
B. homeostasis
C. organization
D. reproduction
E. response to stimuli
F. energy
Directions: Circle the term in parentheses that correctly completes each sentence.
7. Something that has only four of the six characteristics of life is
(a nonliving thing/an organism).
8. A living thing that is made of only one cell is a (multicellular/unicellular) organism.
9. Cells in a (multicellular/unicellular) organism usually are organized into groups that
have different jobs.
10. Light and temperature are two examples of (external/internal) stimuli.
11. The smallest unit of life is a (cell/tadpole).
12. (Growth/Homeostasis) allows living things to keep a steady internal environment.
characteristics_of_life_1_answer_key.docx |