Bio 117 Quiz 4 UPDATED Exam Questions
and CORRECT Answers
Match the following list of organisms to their cell wall or shell material.
Dinoflagellates
Foraminifera
Fungi
Diatoms
Cellulose
Silica
Chitin
Calcium Carbonate - CORRECT ANSWER - Dinoflagellates- Cellulose
Foramnifera- Calcium Carbonate
Fungi- Chitin
Diatoms- Silica
Which of the following statements is TRUE about a phylogeny, as represented by a phylogenetic
tree?
I. Descendant groups (branches) from the same node share derived characters.
II. A monophyletic group can be properly based on convergent features.
III. The ancestral group always displays all the synapomorphies of the descendant species.
A.none; not I, II, or III
B. I, II, and III
C. only II
D. only III
, E. only I - CORRECT ANSWER - E. only I
Which of the following fungal groups contain spores and gametes that have flagella?
A. Chytrids
B. None of the above have flagellated spores and gametes.
C. Basidiomycota
D. Zygomycetes
E. Ascomycota - CORRECT ANSWER - A. Chytrids
Imagine that you are given some chemoorganotrophic bacteria to grow. What should you use as
a source of energy for this type of bacteria?
A. hydrogen sulfide
B. light
C. sugar
D. ammonia
E. methane - CORRECT ANSWER - C. sugar
Which of the following extremophiles might researchers most likely use as a model for the
earliest organisms on Earth?
A. a bacterium that thrives in a highly acidic environment
B. a bacterium capable of living at extremely high salinity
C. a bacterium found on another planet or moon
D. an archaean capable of surviving in the polar ice caps
E. an anaerobic archaean species - CORRECT ANSWER - E. an anaerobic archaean
species
and CORRECT Answers
Match the following list of organisms to their cell wall or shell material.
Dinoflagellates
Foraminifera
Fungi
Diatoms
Cellulose
Silica
Chitin
Calcium Carbonate - CORRECT ANSWER - Dinoflagellates- Cellulose
Foramnifera- Calcium Carbonate
Fungi- Chitin
Diatoms- Silica
Which of the following statements is TRUE about a phylogeny, as represented by a phylogenetic
tree?
I. Descendant groups (branches) from the same node share derived characters.
II. A monophyletic group can be properly based on convergent features.
III. The ancestral group always displays all the synapomorphies of the descendant species.
A.none; not I, II, or III
B. I, II, and III
C. only II
D. only III
, E. only I - CORRECT ANSWER - E. only I
Which of the following fungal groups contain spores and gametes that have flagella?
A. Chytrids
B. None of the above have flagellated spores and gametes.
C. Basidiomycota
D. Zygomycetes
E. Ascomycota - CORRECT ANSWER - A. Chytrids
Imagine that you are given some chemoorganotrophic bacteria to grow. What should you use as
a source of energy for this type of bacteria?
A. hydrogen sulfide
B. light
C. sugar
D. ammonia
E. methane - CORRECT ANSWER - C. sugar
Which of the following extremophiles might researchers most likely use as a model for the
earliest organisms on Earth?
A. a bacterium that thrives in a highly acidic environment
B. a bacterium capable of living at extremely high salinity
C. a bacterium found on another planet or moon
D. an archaean capable of surviving in the polar ice caps
E. an anaerobic archaean species - CORRECT ANSWER - E. an anaerobic archaean
species
