WorksheetsOrnithology
Total questions: 23
Worksheet time: 25mins
Name
Class
Date
1.
The transparent front part of the eye that covers the iris, pupil, and anterior chamber
a)
lens
b)
cornea
c)
fovea
d)
pecten
2.
a hole located in the center of the iris of the eye that allows light to strike the retina; appears black
a)
pecten
b)
lens
c)
cornea
d)
pupil
3.
The colored portion of the eye
a)
iris
b)
cornea
c)
lens
d)
pecten
4.
A unique adaptation in the avian eye that contains its blood vessels
a)
iris
b)
retina
c)
pecten
d)
lens
5.
Some birds have two of these to enhance their visual sharpness (acuity)
a)
cornea
b)
retina
c)
fovea
d)
pecten
6.
The bone of the middle ear in birds
a)
stapes
b)
columella
c)
pecten
d)
incus
7.
The round window is located in the ________ ear.
a)
inner
b)
middle
c)
outer
8.
The ability of an animal to detect and respond to touch, equilibrium and pressure is called
a)
corpuscle
b)
mechanoreception
c)
sensation
d)
magnetoreception
9.
The receptor in the bills of some sandpipers used for detecting touch
a)
Herbst corpuscle
b)
cochlea
c)
semicircular canals
d)
pecten
10.
The part of the brain involved in balance and for motor control.
a)
medulla oblongata
b)
cerebellum
c)
cerebrum
d)
forebrain
11.
Some birds hide seeds in various safe locations to eat later during winter. This is called
a)
caching
b)
hoarding
c)
stealing
d)
courtship
12.
Adult songbirds form new neurons, replace old ones, and reallocate brain space seasonally in a process called
a)
courtship
b)
neurogenesis
c)
caching
d)
memory dumping
13.
Birds inhale by lowering their ___________, which enlarges their chest cavity and expands air sacs
a)
sternum
b)
diaphragm
c)
cloaca
d)
lungs
14.
On average, birds have how many air sacs?
a)
0
b)
2
c)
9
d)
15
15.
Normal resting heart rates in medium-sized birds range from
a)
150 to 220 bpm
b)
70 to 80 bpm
c)
30 to 40 bpm
d)
300 to 400 bpm
16.
To lose heat birds will
a)
wet their abdomen
b)
tuck their bill under their scapula
c)
fluff their feathers
d)
reduce exposure of their legs
17.
A state of decreased physiological activity in an animal, usually by a reduced body temperature and metabolic rate is called
a)
torpor
b)
caching
c)
huddling
18.
Which part of the digestive system acts like the stomach and contains gastric acid?
a)
gizzard
b)
proventriculus
c)
small intestine
d)
crop
19.
The portion of the digestive system that functions to store food is the
a)
gizzard
b)
crop
c)
proventriculus
d)
cloaca
20.
The tubular cavity common to the urogenital and digestive tracts
a)
ceca
b)
cloaca
c)
vent
d)
crop
21.
Who would have a tubular, fringed, nectar-feeding tongue?
a)
a hummingbird
b)
a woodpecker
c)
an American Robin
d)
a Northern shoveler
22.
Which of the following is a frugivore?
a)
cedar waxwing
b)
barn owl
c)
least flycatcher
d)
great blue heron
23.
Amount of time a bird must feed each day increases when
a)
food is scarce
b)
days are short
c)
metabolism is high
d)
all of the answers are true
100 %
