POUL 1010E TEST PAPER ANSWERS AND QUESTIONS
SET A+
✔✔How have chickens benifitted medical research? - ✔✔led to tissue transplants, the
first vaccines, B. Cell discovery, identification of the first oncogene, and streptomycin
antibiotic
✔✔Are hormones used in chicken production? - ✔✔No, their large size is due to being
precocial chicks that are provided all their needs, anabolic steroids wouldn't lead to
growth unless exercise was done - broilers tend to be sendentary
✔✔How is H5N1 avian flu kept out of the US? - ✔✔all legally imported birds must be
quarantined and tested for H5N1, USDA also banned bird import from any country
where H5N1 is found
✔✔How did ratites evolve? - ✔✔they evolved from flighted ancestors that lost their
ability to fly
✔✔Why would certain birds "de-evolve" flight? - ✔✔if there are no predators, there is no
need to fly; instead of investing energy in costly flight, they could invest in size; muscle
mass reduction requires less energy
✔✔Describe ratites' keel bones. - ✔✔Ratites have flat keel bones or none at all
✔✔How many toes do ratites have? - ✔✔three, except for ostriches who have two
✔✔What is the origin of Cassowaries? - ✔✔deep in rainforests of New Guinea and
surrounding islands; as well as Northeast Australia
✔✔What is the origin of Kiwis? - ✔✔only found in New Zealand; NZ national symbol
✔✔What is the origin of Rheas? - ✔✔two species; the Greater Rhea is native to Brazil,
while the Lesser Rhea is native to Argentina, Chile, and Peru
, ✔✔What is the origin of Emus? - ✔✔Only found in Australia after several other species
were hunted to extinction
✔✔What is the origin of Ostriches? - ✔✔native to Central and Southern Africa in
savanna and desert environments
✔✔What is the role of the male in breeding in cassowaries? - ✔✔solitary until breeding
season, the male and female will tolerate each other briefly to breed
✔✔What is the role of the male in breeding in kiwis? - ✔✔monogamous for life;
depending on subspecies the male either does all the incubation or part of it
✔✔What is the role of the male in breeding in rheas? - ✔✔males court 2-12 females,
and will evict other males from the flock; after territory is established, the male builds
and guards the nests - so aggressively that female rheas cannot go anywhere near the
nest
✔✔What is the role of the male in breeding in emus? - ✔✔they pair with a female for the
season, the male will take full responsibility for the incubation and care of offspring; after
hatching the male can be so aggressive in protecting the young that he sometimes will
drive away the mother
✔✔What is the role of the male in breeding in ostriches? - ✔✔the male loosely pair
bonds with a main female and up to 7 minor females; they all lay eggs in the same nest
and the major female and the male will raise all the eggs and the young
✔✔Why is it so dangerous to keep cassowaries in zoos? - ✔✔cassowaries are
extremely aggressive; will attack humans with dagger-like toes and have killed people in
the past; "Velociraptors with Wings"
✔✔How do kiwis find food? - ✔✔their nose is on the tip of their beak, which they shove
down under dirt to locate worms and other invertebrates
✔✔What are the commercial products associated with emus? - ✔✔very healthy meat,
eggs and feathers used for jewelry, skin is used for clothing and accessories, oil for skin
and medicinal products
✔✔What are the commercial products associated with ostriches? - ✔✔feathers in
fashion, hide used in leather goods - especially boots and shoes, healthy meat, oil for
skin care, cosmetics, and even some medicinal purposes
✔✔Which component of bird's economic importance is the largest? - ✔✔Birdwatching, 1
in 4 americans are birdwatchers
SET A+
✔✔How have chickens benifitted medical research? - ✔✔led to tissue transplants, the
first vaccines, B. Cell discovery, identification of the first oncogene, and streptomycin
antibiotic
✔✔Are hormones used in chicken production? - ✔✔No, their large size is due to being
precocial chicks that are provided all their needs, anabolic steroids wouldn't lead to
growth unless exercise was done - broilers tend to be sendentary
✔✔How is H5N1 avian flu kept out of the US? - ✔✔all legally imported birds must be
quarantined and tested for H5N1, USDA also banned bird import from any country
where H5N1 is found
✔✔How did ratites evolve? - ✔✔they evolved from flighted ancestors that lost their
ability to fly
✔✔Why would certain birds "de-evolve" flight? - ✔✔if there are no predators, there is no
need to fly; instead of investing energy in costly flight, they could invest in size; muscle
mass reduction requires less energy
✔✔Describe ratites' keel bones. - ✔✔Ratites have flat keel bones or none at all
✔✔How many toes do ratites have? - ✔✔three, except for ostriches who have two
✔✔What is the origin of Cassowaries? - ✔✔deep in rainforests of New Guinea and
surrounding islands; as well as Northeast Australia
✔✔What is the origin of Kiwis? - ✔✔only found in New Zealand; NZ national symbol
✔✔What is the origin of Rheas? - ✔✔two species; the Greater Rhea is native to Brazil,
while the Lesser Rhea is native to Argentina, Chile, and Peru
, ✔✔What is the origin of Emus? - ✔✔Only found in Australia after several other species
were hunted to extinction
✔✔What is the origin of Ostriches? - ✔✔native to Central and Southern Africa in
savanna and desert environments
✔✔What is the role of the male in breeding in cassowaries? - ✔✔solitary until breeding
season, the male and female will tolerate each other briefly to breed
✔✔What is the role of the male in breeding in kiwis? - ✔✔monogamous for life;
depending on subspecies the male either does all the incubation or part of it
✔✔What is the role of the male in breeding in rheas? - ✔✔males court 2-12 females,
and will evict other males from the flock; after territory is established, the male builds
and guards the nests - so aggressively that female rheas cannot go anywhere near the
nest
✔✔What is the role of the male in breeding in emus? - ✔✔they pair with a female for the
season, the male will take full responsibility for the incubation and care of offspring; after
hatching the male can be so aggressive in protecting the young that he sometimes will
drive away the mother
✔✔What is the role of the male in breeding in ostriches? - ✔✔the male loosely pair
bonds with a main female and up to 7 minor females; they all lay eggs in the same nest
and the major female and the male will raise all the eggs and the young
✔✔Why is it so dangerous to keep cassowaries in zoos? - ✔✔cassowaries are
extremely aggressive; will attack humans with dagger-like toes and have killed people in
the past; "Velociraptors with Wings"
✔✔How do kiwis find food? - ✔✔their nose is on the tip of their beak, which they shove
down under dirt to locate worms and other invertebrates
✔✔What are the commercial products associated with emus? - ✔✔very healthy meat,
eggs and feathers used for jewelry, skin is used for clothing and accessories, oil for skin
and medicinal products
✔✔What are the commercial products associated with ostriches? - ✔✔feathers in
fashion, hide used in leather goods - especially boots and shoes, healthy meat, oil for
skin care, cosmetics, and even some medicinal purposes
✔✔Which component of bird's economic importance is the largest? - ✔✔Birdwatching, 1
in 4 americans are birdwatchers
