BISC 162 Exam Questions and answers with complete solutions Latest Updated 2025
| Verified
is a characteristic and is a synapomorphy of animals.
A) movement; internal digestion
B) multicellularity; proteoglycan
C) desmosomes; heterotrophy
D) collagen in cells; gap junctions
E) internal digestion; collar cells - b
Of the following, which clade of fungi produce a sac like fruiting body?
A) microsporidia
B) chytrids
C) ascomyota
D) basidiomycota
E) zygomycota - C
Of the following, which is the most diverse animal clade that is not an arthropod?
A) echinoderms
B) vertebrates
C) sponges
D) crustaceans
E) insects - b
A coelom will not occur in animals that have , but when present it allows animals
to .
A) two tissue layers; control movement
B) two tissue layers; make more segments
C) three tissue layers; make a hydrostatic skeleton
D) three tissue layers; control movement
E) three tissue layers; make a gastrovascular cavity - a
In all arthropods and vertebrates, the skeleton always
A) provides support against gravity
B) is shed when an animal grows
C) is inside the body
D) is used for muscle attachment
E) supports the appendages - A
In order to convert inorganic nitrogen into usable forms in the nitrogen cycle, organisms
rely on .
A) detritovores
B) bacteria
C) primary producers
D) consumers
, E) fungi - B
Edith has just started working on a research project that quantifies biodiversity in rotting
log communities. Her job is to break open logs and measure biodiversity. Based on your
knowledge of community ecology and trophic levels, what would you predict she would
find?
A) She should find the same amount (biomass) of primary consumers and secondary
consumers
B) The majority of organisms living in the dead log should be photosynthetic
C) the majority of organism living in the dead log are detritivores
D) the number of velvet worms she finds will depend on the presence of bacteria or
lichens
E) she is unlikely to find any fungi in the log - C
In the rotting log community, the source of carbon and energy for primary consumers
comes from
A) detritvores
B) primary producers
C) the sun
D) CO2
E) photosynthesis - A
A species that has a disproportionately large influence on community composition is
called a
A) mutualist
B) secondary consumer
C) keystone species
D) trophic cascade
E) amensalist - C
Which of the following is not an ecological role of fungi?
A) pathogens
B) predators
C) parasites
D) decomposers
E) primary producers - E
Which of the following is not a threat to biodiversity that conservation biology tries to
address?
A) habitat loss
B) edge effect
C) climate change
D) invasive species
E) all of these are threats - E
When researchers identify the gene that causes a behavior, they are identifying
| Verified
is a characteristic and is a synapomorphy of animals.
A) movement; internal digestion
B) multicellularity; proteoglycan
C) desmosomes; heterotrophy
D) collagen in cells; gap junctions
E) internal digestion; collar cells - b
Of the following, which clade of fungi produce a sac like fruiting body?
A) microsporidia
B) chytrids
C) ascomyota
D) basidiomycota
E) zygomycota - C
Of the following, which is the most diverse animal clade that is not an arthropod?
A) echinoderms
B) vertebrates
C) sponges
D) crustaceans
E) insects - b
A coelom will not occur in animals that have , but when present it allows animals
to .
A) two tissue layers; control movement
B) two tissue layers; make more segments
C) three tissue layers; make a hydrostatic skeleton
D) three tissue layers; control movement
E) three tissue layers; make a gastrovascular cavity - a
In all arthropods and vertebrates, the skeleton always
A) provides support against gravity
B) is shed when an animal grows
C) is inside the body
D) is used for muscle attachment
E) supports the appendages - A
In order to convert inorganic nitrogen into usable forms in the nitrogen cycle, organisms
rely on .
A) detritovores
B) bacteria
C) primary producers
D) consumers
, E) fungi - B
Edith has just started working on a research project that quantifies biodiversity in rotting
log communities. Her job is to break open logs and measure biodiversity. Based on your
knowledge of community ecology and trophic levels, what would you predict she would
find?
A) She should find the same amount (biomass) of primary consumers and secondary
consumers
B) The majority of organisms living in the dead log should be photosynthetic
C) the majority of organism living in the dead log are detritivores
D) the number of velvet worms she finds will depend on the presence of bacteria or
lichens
E) she is unlikely to find any fungi in the log - C
In the rotting log community, the source of carbon and energy for primary consumers
comes from
A) detritvores
B) primary producers
C) the sun
D) CO2
E) photosynthesis - A
A species that has a disproportionately large influence on community composition is
called a
A) mutualist
B) secondary consumer
C) keystone species
D) trophic cascade
E) amensalist - C
Which of the following is not an ecological role of fungi?
A) pathogens
B) predators
C) parasites
D) decomposers
E) primary producers - E
Which of the following is not a threat to biodiversity that conservation biology tries to
address?
A) habitat loss
B) edge effect
C) climate change
D) invasive species
E) all of these are threats - E
When researchers identify the gene that causes a behavior, they are identifying
