UMKC Bio 109 Final Exam questions n
answered graded A+ 2025/2026
Not present in all bacteria, the _________enables those bacteria that possess it to germinate
after exposure to harsh conditions, such as boiling: - CORRECT ANSWER ✔✔endospore
The mechanism whereby genes are transferred by viruses (phages) from one bacterium to
another
-intuition
-conjugation
-binary fission
-transformation
-transduction - CORRECT ANSWER ✔✔transduction
poisoned by O2 - CORRECT ANSWER ✔✔obligate anaerobe
uses light energy to drive the synthesis of organic compounds from CO2 - CORRECT ANSWER
✔✔photoautotroph
thrive in very hot environments - CORRECT ANSWER ✔✔extreme thermophile
uses CO2 to oxidize H2, releasing CH4 as a waste product - CORRECT ANSWER ✔✔methanogens
Which of the following descriptions of protists is incorrect? - CORRECT ANSWER ✔✔protists are
prokaryotic
,The intermediate host in the life cycle of a blood fluke is
A. an anopheles mosquito
B. a kissing bug
C. a sand fly
D. a gastropod mollusk
E. none of the above - CORRECT ANSWER ✔✔a gastropod mollusk
A __________ is a reproductive structure of fungi that develops from a mycelium. - CORRECT
ANSWER ✔✔fruiting body
The mutualistic relationship between plant roots and fungi of the phylum glomeromycota
Select one:
A. yeast
B. ectomycorrhizae
C. lichen
D. arbuscular mycorrhizae
E. mycosis - CORRECT ANSWER ✔✔D. arbuscular mycorrhizae
An adult animal that possesses bilateral symmetry is most certainly also
Select one:
A. a coelomate
B. highly cephalized
,C. a deuterostome
D. the product of metamorphosis
E. triploblastic - CORRECT ANSWER ✔✔E. triploblastic
Which of the following combinations of phylum and description is incorrect?
Select one:
A. Platyhelminthes - flatworms, gastrovascular cavity, acoelomate
B. Nematoda - roundworms, pseudocoelomate
C. Echinodermata - bilateral symmetry as a larva, coelom present
D. Cnidaria - radial symmetry, polyp and medusa body forms
E. Porifera - gastrovascular cavity, coelom present - CORRECT ANSWER ✔✔E. Porifera -
gastrovascular cavity, coelom present
Sea anemones are most closely related to which group?
Select one:
A. fresh water hydras
B. sponges
C. barnacles
D. corals
E. lophophorates - CORRECT ANSWER ✔✔D. corals
Which of the following phyla have a complete digestive system (alimentary canal) with mouth
and anus?
Select one:
, A. nematoda (round worms)
B. Platyhelminthes (flatworms)
C. Ctenophora (comb jellies)
D. Cnidaria (anemones, hydroids, corals, jellyfish, etc)
E. All of the above have blind-sac body plans - CORRECT ANSWER ✔✔A. nematoda (round
worms)
Which of the following is not an advantage of the arthropod exoskeleton?
Select one:
A. provides protection from predators
B. provides rigid places for muscles to insert and against which they can do work
C. enhances sensory perception
D. prevents water loss
E. all of the above are an advantage of an exoskeleton - CORRECT ANSWER ✔✔C. enhances
sensory perception
Pharyngeal slits appear to have functioned first as
Select one:
A. components of the jaw
B. portions of the inner ear
C. suspension-feeding devices
D. gill slits for rerspiration
E. the digestive system's opening - CORRECT ANSWER ✔✔C. suspension-feeding devices
answered graded A+ 2025/2026
Not present in all bacteria, the _________enables those bacteria that possess it to germinate
after exposure to harsh conditions, such as boiling: - CORRECT ANSWER ✔✔endospore
The mechanism whereby genes are transferred by viruses (phages) from one bacterium to
another
-intuition
-conjugation
-binary fission
-transformation
-transduction - CORRECT ANSWER ✔✔transduction
poisoned by O2 - CORRECT ANSWER ✔✔obligate anaerobe
uses light energy to drive the synthesis of organic compounds from CO2 - CORRECT ANSWER
✔✔photoautotroph
thrive in very hot environments - CORRECT ANSWER ✔✔extreme thermophile
uses CO2 to oxidize H2, releasing CH4 as a waste product - CORRECT ANSWER ✔✔methanogens
Which of the following descriptions of protists is incorrect? - CORRECT ANSWER ✔✔protists are
prokaryotic
,The intermediate host in the life cycle of a blood fluke is
A. an anopheles mosquito
B. a kissing bug
C. a sand fly
D. a gastropod mollusk
E. none of the above - CORRECT ANSWER ✔✔a gastropod mollusk
A __________ is a reproductive structure of fungi that develops from a mycelium. - CORRECT
ANSWER ✔✔fruiting body
The mutualistic relationship between plant roots and fungi of the phylum glomeromycota
Select one:
A. yeast
B. ectomycorrhizae
C. lichen
D. arbuscular mycorrhizae
E. mycosis - CORRECT ANSWER ✔✔D. arbuscular mycorrhizae
An adult animal that possesses bilateral symmetry is most certainly also
Select one:
A. a coelomate
B. highly cephalized
,C. a deuterostome
D. the product of metamorphosis
E. triploblastic - CORRECT ANSWER ✔✔E. triploblastic
Which of the following combinations of phylum and description is incorrect?
Select one:
A. Platyhelminthes - flatworms, gastrovascular cavity, acoelomate
B. Nematoda - roundworms, pseudocoelomate
C. Echinodermata - bilateral symmetry as a larva, coelom present
D. Cnidaria - radial symmetry, polyp and medusa body forms
E. Porifera - gastrovascular cavity, coelom present - CORRECT ANSWER ✔✔E. Porifera -
gastrovascular cavity, coelom present
Sea anemones are most closely related to which group?
Select one:
A. fresh water hydras
B. sponges
C. barnacles
D. corals
E. lophophorates - CORRECT ANSWER ✔✔D. corals
Which of the following phyla have a complete digestive system (alimentary canal) with mouth
and anus?
Select one:
, A. nematoda (round worms)
B. Platyhelminthes (flatworms)
C. Ctenophora (comb jellies)
D. Cnidaria (anemones, hydroids, corals, jellyfish, etc)
E. All of the above have blind-sac body plans - CORRECT ANSWER ✔✔A. nematoda (round
worms)
Which of the following is not an advantage of the arthropod exoskeleton?
Select one:
A. provides protection from predators
B. provides rigid places for muscles to insert and against which they can do work
C. enhances sensory perception
D. prevents water loss
E. all of the above are an advantage of an exoskeleton - CORRECT ANSWER ✔✔C. enhances
sensory perception
Pharyngeal slits appear to have functioned first as
Select one:
A. components of the jaw
B. portions of the inner ear
C. suspension-feeding devices
D. gill slits for rerspiration
E. the digestive system's opening - CORRECT ANSWER ✔✔C. suspension-feeding devices
