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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
B. Ability to respond to stimulit t t t
C. Ability to fly t t
D. Reproduction
Answer: C
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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
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3. Biology is best defined as: t t t t
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
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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
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5. True or False: Bacteria are multicellular organisms.
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Answer: False
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6. What is a tissue? t t t
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
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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 t
D. Organism
Answer: C
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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
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9. True or False: The biosphere includes all of Earth's ecosystems collectively.
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Answer: True
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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
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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
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12. Metabolism is: t
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
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13. True or False: Humans acquire energy by eating food.
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Answer: True
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14. What is the ultimate source of energy for most life on Earth?
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A. The moon t
B. The sun t
C. Wind
D. Water
Answer: B
t t
15. Homeostasis refers to: t t
,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?
t t t t t t t t t t t t
A. Organization
B. Ability to respond to stimulit t t t
C. Ability to fly t t
D. Reproduction
Answer: C
t t
2. What is the smallest structural and functional unit of an organism?
t t t t t t t t t t
A. Atom
B. Molecule
C. Cell
D. Tissue
Answer: C
t t
3. Biology is best defined as: t t t t
A. The study of human behavior
t t t t
B. The study of living organisms and their environments
t t t t t t t
C. The study of plants only
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D. The study of chemical reactions
t t t t
Answer: B
t t
4. Which level of organization comes immediately after molecules?
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A. Atoms
B. Cells
C. Tissues
D. Organs
Answer: B
t t
5. True or False: Bacteria are multicellular organisms.
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Answer: False
t t
6. What is a tissue? t t t
A. A single cell
t t
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 t
7. The brain and spinal cord are examples of which level of organization?
t t t t t t t t t t t
A. Tissue
B. Organ
, C. Organ system t
D. Organism
Answer: C
t t
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 t
9. True or False: The biosphere includes all of Earth's ecosystems collectively.
t t t t t t t t t t
Answer: True
t t
10. What is energy defined as?
t t t t
A. The capacity to do work
t t t t
B. A type of molecule
t t t
C. A living organism
t t
D. A chemical reaction
t t
Answer: A
t t
11. Which process do plants use to convert solar energy into chemical energy?
t t t t t t t t t t t
A. Respiration
B. Photosynthesis
C. Metabolism
D. Homeostasis
Answer: B
t t
12. Metabolism is: t
A. The death of an organism
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B. The sum of all chemical reactions in a cell or organism
t t t t t t t t t t
C. A type of reproduction
t t t
D. A form of energy
t t t
Answer: B
t t
13. True or False: Humans acquire energy by eating food.
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Answer: True
t t
14. What is the ultimate source of energy for most life on Earth?
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A. The moon t
B. The sun t
C. Wind
D. Water
Answer: B
t t
15. Homeostasis refers to: t t