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BIO 123 Final Exam Questions And 100% Correct Answers
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BIO 123 Final Exam Questions And 100%Correct Answers
You find a new group of organisms that possess the following characteristics: no nuclei
to contain its DNA, mitochondria, rigid, bacterial flagella. Under which taxonomic level
would you classify this new organism?
a. Domain
b. Kingdom
c. Phylum
d. Genus
e. Species - ANSWER A. Domain
To which kingdom do humans belong?
a. Animals
b. Plants
c. Protists
d. Fungi
e. Archaea - ANSWER A. Animals
What would be the impact of removing all of the producers of an ecosystem?
a. There would be no change; producers are not essential for most ecosystems.
b. The output of the sun would decrease.
c. The number of consumers would increase.
d. Decomposers would take over the role of the producers.
e. Consumers would soon run out of food. - ANSWER e. Consumers would soon run out
of food.
,An ecologist would most likely study _ (blank) _.
a. cells
b. organs
c. communities
d. tissues
e. organ systems - ANSWER c. communities
In what order do the steps of the scientific method occur?
a. conclusion, experiment, hypothesis, observation
b. hypothesis, observation, experiment, conclusion
c. observation, experiment, hypothesis, conclusion
d. experiment, hypothesis, observation, conclusion
e. observation, hypothesis, experiment, conclusion - ANSWER e. observation,
hypothesis, experiment, conclusion
Which of the following levels of taxonomy includes the fewest number of organisms?
a. Family
b. Class
c. Order
d. Phylum
e. Genus - ANSWER e. Genus
You are working with a sample of pond water under the microscope and come across a
unicellular organism that contains a nucleus and photosynthetic apparatus. To which
kingdom does this organism belong?
,a. Animals
b. Plants
c. Fungi
d. Protists
e. Archaea - ANSWER d. Protists
Which of the following levels of taxonomy includes the greatest number of organisms?
a. Class
b. Family
c. Species
d. Order
e. Phylum - ANSWER e. Phylum
What is the basic unit of structure and function for all life?
a. atom
b. molecule
c. cell
d. organ
e. organism - ANSWER c. cell
All of the following characteristics are done by at least some living organisms, but which
is restricted to only some organisms?
a. response to stimuli
, b. adaptation to habitat
c. reproduction by sexual means
d. regulation of internal environment
e. acquisition of energy - ANSWER c. reproduction by sexual means
During an experiment, what is used for comparison to show whether the treatment
worked or not?
a. Conclusion
b. Testing
c. Control group
d. Hypothesis
e. Observation - ANSWER c. Control group
Which kingdom is described as eukaryotic, multicellular organisms that ingest their
food?
a. Fungi
b. Plants
c. Protists
d. Animals
e. Archaea - ANSWER d. Animals
Members of the same species that are located within a particular area are called _
(blank) _.
a. a community
b. an ecosystem
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