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Indicate the answer choice that best completes the statement or answers the question.
1. A community
a. includes all populations of all species in a given area.
b. features the living organisms interacting with the physical and chemical environment.
c. is the sum of all places in Earth's atmosphere, crust, and waters where organisms live.
d. includes members of only one species.
e. is at a higher level of organization than an ecosystem.
2. Randomly selecting samples of experimental units from an environment can result in __________________.
a. sampling error
b. blind testing
c. evidence
d. experimental design
e. consensus
3. Science is based on ___________.
a. faith
b. authority
c. evidence
d. force
e. opinion
4. Members of which prokaryotic domain are most closely related to eukaryotes evolutionarily?
a. Animals
b. Protists
c. Fungi
d. Bacteria
e. Archaea
5. Which group of organisms does not depend directly on sunlight for energy?
I. Terrestrial producers
II. Animal consumers
III. Decomposers
a. I only
b. II and III only
c. II only
d. III only
e. I and III
6. The most inclusive level of organization is exemplified by which of the following?
a. Heart
b. Carbon atom
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c. DNA
d. Zebra
e. Red blood cell
7. The process by which the first cell of a new individual gives rise to a multicell adult is called _______.
a. reproduction
b. development
c. growth
d. inheritance
e. homeostasis
8. The plural for genus is ________.
a. genus
b. geni
c. genera.
d. gena
e. genae
9. Each cell is able to maintain an internal environment within a range that favors survival. This condition is called
___________.
a. metabolism
b. homeostasis
c. physiology
d. adaptation
e. evolution
10. The choice of whether a particular organism belongs to the experimental group or the control group should be based
on ___________.
a. age
b. size
c. chance
d. history
e. gender
11. In an experiment, the control group is __________.
a. not subjected to experimental error
b. exposed to experimental treatments
c. maintained under strict laboratory conditions
d. treated exactly the same as the experimental group, except for one variable
e. statistically the most important part of the experiment
12. Which of the following is used by all living things as the carrier of genetic information?
a. Cell
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b. DNA
c. Organ
d. Molecule
e. Population
13. What is an acceptable probability of sampling error that may have skewed the results in most scientific studies?
a. 80%
b. 50%
c. 25%
d. 10%
e. 5%
14. The flow of energy through living organisms is best characterized as ___.
a. circular
b. increasing
c. a lattice
d. one way
e. lossless
15. Which of the following is NOT true about the peacock butterfly?
a. The dark underside of their wings provides camouflage.
b. The spots on the wings may resemble owl eyes, which help deter predation.
c. The butterflies remain still when a predator is near so as not to draw attention.
d. The rapid movement of their wings produces a hissing sound.
e. A resting butterfly’s closed wing resembles a dead leaf.
16. Energy sources are needed for which of the following processes?
I. Reproduction
II. Growth
III. Development
a. I and II only
b. I and III only
c. II only
d. II and III only
e. I, II, and III
17. Which concept represents the highest degree of certainty?
a. Hypothesis
b. Deduction
c. Assumption
d. Theory
e. Prediction
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