An Sci 200 Exam 2
questions and answers
What are the orders of birds (hint theres 6) -
answer Cursorial, psittaciformes, passeriformes,
columbiformes, anseriformes, galliformes
Cursorial Birds - answer Ex. Ostrich, emu,
cassowary, rhea
flightless, don't have a keelbone, young are
precocial
Precocial - answer Advanced young, can walk
within a few hours, eyes and ears are open, born
with down feathers
Keelbone - answer Anchor for big breast muscles to
flap wings
Psittaciformes - answer Caged birds/pet birds like
budgies, macaw, parrot
Brilliant colors, can "talk", young are altricial
,Altricial - answer Can't get food, featherless,
helpless
Passeriformes - answer Perching songbirds like
canaries, zebra fishes, gouldian finch
Common
Not many kept as pets
Young are altricial and have highly developed
syrinx
Columbiformes - answer Ringneck dove and
pigeons
Young are altricial
Anseriformes - answer Waterfowl
Young are precocial, many have thick down
feathers for insulation
Galliformes - answer "Chicken"-like birds like
pheasants, guineas, peacock, turkey
Most domesticated birds
Have distinct plumage
Many used for sport, young are precocial
,What type of reproduction do birds have - answer
Oviparous
General characteristics of birds - answer Skin,
scales, and feathers
Homeothermic
4-chambered heart
Breath with lungs and air sacs
Jaw hinged on a moveable bone
What is special about birds bones - answer Small,
hollow, and thin which is important so they can fly
Pneumatic bones
Fused vertebrae
Pneumatic Bones - answer Bones that are filled
with air
Birds muscles - answer Can really only contract
Make up more than half of the birds weight
Unique muscle and tendon arrangement to lift
wings
Birds feathers - answer Keep them protected,
warm, and dry
, Molting replaces them
Birds respiratory system - answer Air travels
through the lungs to abdominal air sacs and then
back through the lungs
No thoraco-abdominal diaphragm
Gas exchange takes place both in inspiration and
expiration
Why is respiration important in birds - answer They
do not sweat so it cools them down
Sryinx - answer Voice box of birds
Flight adaptations of birds - answer streamlined
shape, feathers, pneumatic bones, fused
backbone, oxygen-gathering capacity
Birds: Sight - answer Large eyes and usually weigh
more than brain, can see colors including UV
Most have monocular vision
Birds: Hearing - answer They hear about the same
range as humans but can distinguish difference in
interval of sounds better than humans
questions and answers
What are the orders of birds (hint theres 6) -
answer Cursorial, psittaciformes, passeriformes,
columbiformes, anseriformes, galliformes
Cursorial Birds - answer Ex. Ostrich, emu,
cassowary, rhea
flightless, don't have a keelbone, young are
precocial
Precocial - answer Advanced young, can walk
within a few hours, eyes and ears are open, born
with down feathers
Keelbone - answer Anchor for big breast muscles to
flap wings
Psittaciformes - answer Caged birds/pet birds like
budgies, macaw, parrot
Brilliant colors, can "talk", young are altricial
,Altricial - answer Can't get food, featherless,
helpless
Passeriformes - answer Perching songbirds like
canaries, zebra fishes, gouldian finch
Common
Not many kept as pets
Young are altricial and have highly developed
syrinx
Columbiformes - answer Ringneck dove and
pigeons
Young are altricial
Anseriformes - answer Waterfowl
Young are precocial, many have thick down
feathers for insulation
Galliformes - answer "Chicken"-like birds like
pheasants, guineas, peacock, turkey
Most domesticated birds
Have distinct plumage
Many used for sport, young are precocial
,What type of reproduction do birds have - answer
Oviparous
General characteristics of birds - answer Skin,
scales, and feathers
Homeothermic
4-chambered heart
Breath with lungs and air sacs
Jaw hinged on a moveable bone
What is special about birds bones - answer Small,
hollow, and thin which is important so they can fly
Pneumatic bones
Fused vertebrae
Pneumatic Bones - answer Bones that are filled
with air
Birds muscles - answer Can really only contract
Make up more than half of the birds weight
Unique muscle and tendon arrangement to lift
wings
Birds feathers - answer Keep them protected,
warm, and dry
, Molting replaces them
Birds respiratory system - answer Air travels
through the lungs to abdominal air sacs and then
back through the lungs
No thoraco-abdominal diaphragm
Gas exchange takes place both in inspiration and
expiration
Why is respiration important in birds - answer They
do not sweat so it cools them down
Sryinx - answer Voice box of birds
Flight adaptations of birds - answer streamlined
shape, feathers, pneumatic bones, fused
backbone, oxygen-gathering capacity
Birds: Sight - answer Large eyes and usually weigh
more than brain, can see colors including UV
Most have monocular vision
Birds: Hearing - answer They hear about the same
range as humans but can distinguish difference in
interval of sounds better than humans
