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,Chapter 1: Exploring Life and Science t t t t t
1. Which of the following is NOT a characteristic common to all living organisms?
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A. Organization
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B. Ability to respond to stimuli
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C. Ability to fly
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D. Reproduction
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Answer: C t
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2. What is the smallest structural and functional unit of an organism?
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A. Atom
B. Molecule
C. Cell
D. Tissue
Answer: C t
3. Biology is best defined as:
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A. The study of human behavior
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B. The study of living organisms and their environments
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C. The study of plants only
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D. The study of chemical reactions
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Answer: B t
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4. Which level of organization comes immediately after molecules?
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A. Atoms
B. Cells
C. Tissues
D. Organs
Answer: B t
5. True or False: Bacteria are multicellular organisms.
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Answer: False t
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6. What is a tissue?
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A. A single cell
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B. A group of similar cells that perform a particular function
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C. A collection of different organs
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D. An entire organism
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Answer: B t
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7. The brain and spinal cord are examples of which level of organization?
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A. Tissue
B. Organ
, C. Organ system
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D. Organism
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Answer: C t
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8. All members of one species in a particular area belong to a:
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A. Community
B. Population
C. Ecosystem
D. Biosphere
Answer: B t
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9. True or False: The biosphere includes all of Earth's ecosystems collectively.
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Answer: True t
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10. What is energy defined as?
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A. The capacity to do work
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B. A type of molecule
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C. A living organism
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D. A chemical reaction
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Answer: A t
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11. Which process do plants use to convert solar energy into chemical energy?
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A. Respiration
B. Photosynthesis
C. Metabolism
D. Homeostasis
Answer: B t
h
12. Metabolism is:
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A. The death of an organism
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B. The sum of all chemical reactions in a cell or organism
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C. A type of reproduction
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D. A form of energy
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Answer: B t
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13. True or False: Humans acquire energy by eating food.
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Answer: True t
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14. What is the ultimate source of energy for most life on Earth?
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t h
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A. The moon
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h
B. The sun
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C. Wind
D. Water
Answer: B t
15. Homeostasis refers to:
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h t
h
,Chapter 1: Exploring Life and Science t t t t t
1. Which of the following is NOT a characteristic common to all living organisms?
h t
h t
h t
h h
t t
h t t t
h h
t t
h t h
t
A. Organization
h
B. Ability to respond to stimuli
h t
h t
h t
h t
h
C. Ability to fly
h t
h t
h
D. Reproduction
h
Answer: C t
h
2. What is the smallest structural and functional unit of an organism?
h t t
h h
t h
t t
h t h
t t t t
A. Atom
B. Molecule
C. Cell
D. Tissue
Answer: C t
3. Biology is best defined as:
h t
h h
t t h
t
A. The study of human behavior
h t
h t
h t
h t
B. The study of living organisms and their environments
h ht ht ht ht ht t t
C. The study of plants only
h t
h t
h t
h t
h
D. The study of chemical reactions
h t t t t
Answer: B t
h
4. Which level of organization comes immediately after molecules?
h t
h t t
h t
h t
h t
h t
A. Atoms
B. Cells
C. Tissues
D. Organs
Answer: B t
5. True or False: Bacteria are multicellular organisms.
h t t t t t t
Answer: False t
h
6. What is a tissue?
h t t
h h
t
A. A single cell
h t h
t
B. A group of similar cells that perform a particular function
h t h
t t
h t t
h h
t h
t h
t t
C. A collection of different organs
h t h
t t t
D. An entire organism
h t t
Answer: B t
h
7. The brain and spinal cord are examples of which level of organization?
h t
h t
h t t
h t
h t
h t
h t
h t
h t t
h
A. Tissue
B. Organ
, C. Organ system
h t
h
D. Organism
h
Answer: C t
h
8. All members of one species in a particular area belong to a:
h t t
h t
h t t
h t
h t
h t
h t
h h
t t
h
A. Community
B. Population
C. Ecosystem
D. Biosphere
Answer: B t
h
9. True or False: The biosphere includes all of Earth's ecosystems collectively.
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Answer: True t
h
10. What is energy defined as?
h t t
h t
h h
t
A. The capacity to do work
h t
h t
h t
h t
h
B. A type of molecule
h t h
t h
t
C. A living organism
h t ht
D. A chemical reaction
h t t
Answer: A t
h
11. Which process do plants use to convert solar energy into chemical energy?
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A. Respiration
B. Photosynthesis
C. Metabolism
D. Homeostasis
Answer: B t
h
12. Metabolism is:
h t
h
A. The death of an organism
h t
h t
h t
h t
B. The sum of all chemical reactions in a cell or organism
h t
h t
h t
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h t
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C. A type of reproduction
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t h
t
D. A form of energy
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Answer: B t
h
13. True or False: Humans acquire energy by eating food.
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Answer: True t
h
14. What is the ultimate source of energy for most life on Earth?
h t t
h h
t h
t t
h h
t t
h t
h t h
t t
A. The moon
h t
h
B. The sun
h t
h
C. Wind
D. Water
Answer: B t
15. Homeostasis refers to:
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h t
h
