BIO 109 FINAL – BENEVIDES Questions
and Answers Graded A+
What is NOT an advantage of the arthropod exoskeleton? Enhances sensory perception
What is NOT a characteristic feature of the Chordata? A bony skeleton of calcium
phosphate
What is a distinctive feature of the chondrichthyans? A cartilaginous endoskeleton
How are primates different from all other mammals? Opposable thumbs, bitches.
What is NOT true about the bacterial cell wall? Prevents the cell from undergoing
plasmolysis in a hypertonic environment
What is NOT a difference between prokaryotic and eukaryotic cells? Eukaryotic cells can
synthesize proteins, but prokaryotic cells cannot
,Euryarchaeota that obtain energy by using CO2 to oxidize H2 to CH4 Methanogens
Many physicians administer antibiotics at the first sign of any disease symptoms. How can this
practice present more problems for these patients and those not yet infected? It creates
antibiotic-resistant strains of bacteria
An individual mixotroph loses its plastids (chloroplasts), yet continues to survive. What most
likely accounts for its continued survival? It engulfs organic material by phagocytosis or
by absorption.
What is an example of symbiotic mutualism? A zooflagellate digesting food in a termite's
intestine
This human disease does not involve kinetoplastids Malaria
What statement concerning dinoflagellates is FALSE? Their dead cells accumulate on the
sea floor and are mined to use as filtering material
,The absorptive nutrition of fungi is aided by: The large surface area provided by the
mycelium
What is the correct sequence of events in the sexual life cycle of fungi? Plasmogamy -
Karyogamy - Meiosis
You have been assigned the task of locating living members of the phylum Glomeromycota.
Where is the best place to look? In the roots of vascular plants
How are the vascular plants that are involved in myrcorrhizae and the photosynthetic cells
involved in lichens alike? The provide organic nutrients to fungal partners
A graduate student finds an organism in a pond and thinks it looks like a freshwater sponge. A
postdoc thinks it looks more like an aquatic fungus. How can they decide whether it is an animal
or fungus? Look for cell walls under a microscope. Also: the graduate student can pull his
head out of his ass and listen to the postdoc.
What characteristic is shared by both cnidarians and flatworms? A digestive system with a
single opening
, Dr. B finds that if he removes one cell at the four-cell stage from a particular embryo, the rest of
the cells /fail/ to develop into a complete organism. The organism must be a(n): Annelid
You are trying to identify an organism. It is an animal, but does not have nerve or muscle tissue.
It is neither triploblastic nor diploblastic. It is probably a(n): Sponge. How you couldn't
tell in the first place, we just don't know.
What combo of phylum and description is incorrect? Porifera-coelomates, mouth from
blastopore
While snorkeling, Dr B observes a sessile marine animal that has a ring of tentacles encircling its
mouth. Being cautious, he examines the tentacles closely and observes that they are armed with
batteries of cnidocytes. The animal he is examining must belong to the phylum? Cnidaria
What would be the most effective method of reducing the incidence of blood flukes in a human
population? Reduce the freshwater snail population
A mantle is to a mollusc as a(n) ____ is to a brachiopod. Lophophore
and Answers Graded A+
What is NOT an advantage of the arthropod exoskeleton? Enhances sensory perception
What is NOT a characteristic feature of the Chordata? A bony skeleton of calcium
phosphate
What is a distinctive feature of the chondrichthyans? A cartilaginous endoskeleton
How are primates different from all other mammals? Opposable thumbs, bitches.
What is NOT true about the bacterial cell wall? Prevents the cell from undergoing
plasmolysis in a hypertonic environment
What is NOT a difference between prokaryotic and eukaryotic cells? Eukaryotic cells can
synthesize proteins, but prokaryotic cells cannot
,Euryarchaeota that obtain energy by using CO2 to oxidize H2 to CH4 Methanogens
Many physicians administer antibiotics at the first sign of any disease symptoms. How can this
practice present more problems for these patients and those not yet infected? It creates
antibiotic-resistant strains of bacteria
An individual mixotroph loses its plastids (chloroplasts), yet continues to survive. What most
likely accounts for its continued survival? It engulfs organic material by phagocytosis or
by absorption.
What is an example of symbiotic mutualism? A zooflagellate digesting food in a termite's
intestine
This human disease does not involve kinetoplastids Malaria
What statement concerning dinoflagellates is FALSE? Their dead cells accumulate on the
sea floor and are mined to use as filtering material
,The absorptive nutrition of fungi is aided by: The large surface area provided by the
mycelium
What is the correct sequence of events in the sexual life cycle of fungi? Plasmogamy -
Karyogamy - Meiosis
You have been assigned the task of locating living members of the phylum Glomeromycota.
Where is the best place to look? In the roots of vascular plants
How are the vascular plants that are involved in myrcorrhizae and the photosynthetic cells
involved in lichens alike? The provide organic nutrients to fungal partners
A graduate student finds an organism in a pond and thinks it looks like a freshwater sponge. A
postdoc thinks it looks more like an aquatic fungus. How can they decide whether it is an animal
or fungus? Look for cell walls under a microscope. Also: the graduate student can pull his
head out of his ass and listen to the postdoc.
What characteristic is shared by both cnidarians and flatworms? A digestive system with a
single opening
, Dr. B finds that if he removes one cell at the four-cell stage from a particular embryo, the rest of
the cells /fail/ to develop into a complete organism. The organism must be a(n): Annelid
You are trying to identify an organism. It is an animal, but does not have nerve or muscle tissue.
It is neither triploblastic nor diploblastic. It is probably a(n): Sponge. How you couldn't
tell in the first place, we just don't know.
What combo of phylum and description is incorrect? Porifera-coelomates, mouth from
blastopore
While snorkeling, Dr B observes a sessile marine animal that has a ring of tentacles encircling its
mouth. Being cautious, he examines the tentacles closely and observes that they are armed with
batteries of cnidocytes. The animal he is examining must belong to the phylum? Cnidaria
What would be the most effective method of reducing the incidence of blood flukes in a human
population? Reduce the freshwater snail population
A mantle is to a mollusc as a(n) ____ is to a brachiopod. Lophophore
