Multiple Choice
1. The smallest unit of life that can survive and reproduce on its own is a(n):
a. atom
b. cell
c. molecule
d. organ
e. population
ANSWER: b
POINTS: 1
REFERENCES: Section 1.1 How do living things differ from non-living things?
LEARNING OBJECTIVES: BCA.SES.1.1 - Describe the successive levels of organization in living
things.
TOPICS: Bloom's: Remember
2. All of the coyotes (Canis latrans) living in the Mojave Desert constitute a(n):
a. ecosystem
b. community
c. biosphere
d. organism
e. population
ANSWER: e
POINTS: 1
REFERENCES: Section 1.1 How do living things differ from non-living things?
LEARNING OBJECTIVES: BCA.SES.1.1.2 - Using suitable examples, describe the successive levels of
organization in living things from atoms to the biosphere.
KEYWORDS: Bloom's: Understand
3. What term describes "all populations of all species living in the same area"?
a. ecosystem
, b. community
c. biosphere
d. organism
e. population
ANSWER: b
POINTS: 1
REFERENCES: Section 1.1 How do living things differ from non-living things?
LEARNING OBJECTIVES: BCA.SES.1.1 - Describe the successive levels of organization in living
things.
KEYWORDS: Bloom's: Remember
NOTES: Modified
4. Organisms designated as producers usually obtain their energy from:
a. other producers
b. dead consumers
c. decomposers
d. the environment
e. themselves
ANSWER: d
POINTS: 1
REFERENCES: Section 1.2 How are all living things alike?
LEARNING OBJECTIVES: BCA.SES.1.2.1 - Distinguish between producers and consumers.
KEYWORDS: Bloom's: Remember
NOTES: Modified
5. As energy is transferred among organisms, some escapes from the environment as energy.
a. electrical
b. heat
c. light
d. mechanical
e. nuclear
ANSWER: b
POINTS: 1
REFERENCES: Section 1.2 How are all living things alike?
LEARNING OBJECTIVES: BCA.SES.1.2.2 - Define homeostasis and explain why it is important for
sustaining life.
KEYWORDS: Bloom's: Remember
6. What is the process used by living things to maintain an internal environment within a tolerable range?
a. metabolism
, b. homeostasis
c. development
d. physiology
e. thermoregulation
ANSWER: b
POINTS: 1
REFERENCES: Section 1.2 How are all living things alike?
LEARNING OBJECTIVES: BCA.SES.1.2.2 - Define homeostasis and explain why it is important for
sustaining life.
KEYWORDS: Bloom's: Remember
NOTES: Modified
7. About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90 mg
per 100 ml of blood, although it may rise to 130 mg per 100 ml after meals high in carbohydrates. That
the blood sugar level is maintained within a fairly narrow range, despite uneven intake of sugar, is due to
the bodily process called:
a. adaptation
b. homeostasis
c. inheritance
d. metabolism
e. development
ANSWER: b
POINTS: 1
REFERENCES: Section 1.2 How are all living things alike?
LEARNING OBJECTIVES: BCA.SES.1.2.2 - Define homeostasis and explain why it is important for
sustaining life.
KEYWORDS: Bloom's: Application
NOTES: Modified
8. Hereditary instructions for growth and development are carried in:
a. proteins
b. carbohydrates
c. DNA
d. energy
e. lipids
ANSWER: c
POINTS: 1
REFERENCES: Section 1.2 How are all living things alike?
LEARNING OBJECTIVES: BCA.SES.1.2.3 - List some functions that are guided by an organism‘s DNA.
KEYWORDS: Bloom's: Remember
NOTES: Modified