WorksheetsAves/Birds
Total questions: 51
Worksheet time: 26mins
Name
Class
Date
1.
part that grinds food for a bird
a)
aorta
b)
lungs
c)
gizzard
d)
digestion
2.
phylum that includes birds
a)
chordate
b)
reptiles
c)
ectotherm
3.
lower chamber in the heart
a)
aorta
b)
ventricle
c)
pulmonary vein
d)
atrium
4.
provides insulation for a bird
a)
down
b)
feathers
5.
egg that includes a shell, yolk, and embryo
a)
amniotic
b)
ectotherm
c)
endotherm
d)
gizzard
6.
has a constant body temperature
a)
endotherm
b)
ectotherm
7.
used to exchange oxygen and carbon dioxide
a)
lungs
b)
aorta
c)
pulmonary vein
8.
Why do scientists believe birds developed from reptiles?
a)
the look similar
b)
have 3 chambered hearts
c)
lay amniotic eggs
d)
are ectotherms
9.
Only birds have ________.
a)
wings
b)
feathers
c)
four chambered heart
d)
all of these
10.
This is a ___ Feather
a)
Down
b)
Contour
c)
Filoplume
d)
Pennacious
11.
This is a ____ Feather
a)
Down
b)
Contour
c)
Filoplume
d)
Pennacious
12.
This is a ____ Feather
a)
Contour
b)
Down
c)
Filoplume
d)
Pennacious
13.
Precocial
a)
Active at hatching
b)
Bird like
c)
Old
d)
New
14.
Which of the following is not part of the amniotic egg?
a)
chorion
b)
allantosis
c)
amnion
d)
albanian
15.
When blood leaves the right ventricle of the birds heart it goes to the
a)
body tissue
b)
right atrium
c)
lungs
d)
left ventricle
16.
Regular periodic shedding of the feathers in birds is called
a)
ecdysis
b)
migration
c)
molting
d)
revival
17.
Endothermy refers to the fact that a bird
a)
can maintain a constant body temperature
b)
is warm blooded
c)
Both of these
d)
None of these
18.
Which of the following is not a characteristic that shows a close relationship between birds and reptiles?
a)
talons
b)
hard toothless beak
c)
scaly legs and feet
d)
amniotic eggs
19.
A reptilian characteristic of the ancient bird fossil Archaeopteryx was its
a)
Jacobson’s organ
b)
serpentine body
c)
body covering of scales
d)
long reptilian tail
20.
Which of the following is not a type of feather found on birds
a)
filoplume
b)
down
c)
Cross
d)
Contour
21.
The covering of feathers on a bird is called
a)
pelage
b)
epidermis
c)
plumage
d)
cuticle
22.
Which of the following features of birds is not an adaptation for flight
a)
endothermy
b)
loss of teeth
c)
bones with air spaces
d)
modified hind limbs
23.
Birds belong to the class
a)
Aves
b)
Amphibia
c)
Mammalia
d)
Reptiles
24.
Some birds are helpless at hatching and are entirely dependent on their parents. They are called
a)
premature
b)
fetal
c)
altrical
d)
immature
25.
The wishbone of a bird is formed by the fusion of paired clavicles and in scientific terms is called
a)
uncinate process
b)
scapulae
c)
furcula
d)
thoracic vertebrae
26.
Fovea are
a)
areas of the brain
b)
flight muscle
c)
dentition
d)
focal points of the eye
27.
______ refers to the periodic trips between breeding and non-breeding grounds
a)
transmutation
b)
migration
c)
immigration
d)
emigration
28.
The large muscular grinding structure found in the birds digestive system is called the
a)
Crop
b)
Gizzard
c)
Stomach
d)
Cloaca
29.
What is the powdery form of nitrogenous waste that aves excrete?
a)
urine
b)
uric acid
c)
ammonia
d)
ammonium
30.
What is the term for male and female species looking different from one another?
a)
parthenogenesis
b)
oogenesis
c)
sexual dimorphism
d)
asexual metamorphism
31.
What is the difference between an endotherm and an ectotherm?
a)
Endotherm's body temperature changes with the environment and ecotoaherm's remain constant
b)
Ectotherm's body temperature changes with the environment and endotherm's stay constant
c)
Both ectotherm's and endotherm's have fluctuating body temperatures.
d)
Both endotherms and ectotherms have constant body temperatures.
32.
Which of the following have three chambered hearts?
a)
Aves and Crocodiles
b)
Amphibians and Aves
c)
Reptiles and Aves
d)
Amphibians and Reptiles
33.
Penguin, emu, hawk and robins are all examples of which class?
a)
Amphibians
b)
Reptiles
c)
Aves
34.
Which class has organisms that can carry on parthenogenesis?
a)
Amphibians
b)
Reptiles
c)
Aves
d)
All of them
35.
Which class has organisms that exhibit sexual dimorphism?
a)
Amphibians
b)
Reptiles
c)
Aves
d)
All of them
36.
Aves are evolved from what group?
a)
Apes
b)
Reptiles
c)
Humans
d)
Planes
37.
Keratin composes a bird's...
a)
Beak
b)
Talons
c)
Feather Shaft
d)
All of the above
38.
The "feathery" part of a feather, extending from the shaft, is the
a)
Barb
b)
Hooklet
c)
Quill
d)
Barbule
39.
A feather's barbs are held together by barbules. This mechanism allows for a smooth surface across the feather for better...
a)
Fighting
b)
Aerodynamics
c)
Explosive Contact
d)
Writing
40.
The openings on a bird's beak are called its
a)
Nostrils
b)
Nares
c)
Teeth
d)
Eyes
41.
Birds utilize their chest muscles for flight, as evidenced by their very well-developed...
a)
Breastbone
b)
Wings
c)
Feather Arrangement
d)
Sense of Hearing
42.
Why do birds build nests?
a)
caring for the young
b)
attracting a mate
c)
A place to shed
d)
socialization
43.
What are the 2 uses of bird feathers?
a)
grooming and flight
b)
fighting and warmth
c)
warmth and grooming
d)
flights and warmth
44.
What physical feature helps determine the diet of the bird?
a)
feet
b)
feathers
c)
beak
d)
sternum
45.
Why do birds eat more than reptiles or amphibians
a)
Birds have a higher metabolism
b)
Reptiles are lazy
c)
Birds are better at catching food
d)
Reptiles and amphibians don't like to eat
46.
True or False? All birds can fly.
a)
True
b)
False
47.
Biologists think that feathers have evolved from what?
a)
scales
b)
armour
c)
fur
d)
gills
48.
Oviparous means to
a)
Have internal fertilization
b)
Swallow prey whole
c)
Eat only plants
d)
Lay eggs
49.
Which of these structures helps birds get enough oxygen to fly?
a)
heart
b)
feathers
c)
air sacs
d)
lungs
50.
A birds nearly hollow bones help it to
a)
store extra oxygen
b)
deliver oxygen to its cells
c)
be lightweight in the air
d)
defend itself against predators
51.
What birds do not fly?
a)
Bats
b)
Penguins
c)
Turkeys
d)
Peacock
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