Font size
WorksheetsPhylum vertebrata
Total questions: 20
Worksheet time: 10mins
How many chambers does a fish heart have?
1
2
3
4
No jaw, no scales, no fins, gills present, cartilage endoskeleton =
Class Agnatha
Class Amphibia
Class Condrichthyes
Class Mammalia
Class Osteichthyes
obtain most of oxygen through thin moist skin
amphibia
reptilia
both
Belongs to which class?
amphibia
reptilia
neither
Frogs, toads & caecilians
amphibia
reptilia
both
immature life form from which class?
amphibia
reptilia
both
Large muscle that separates the chest and abdominal cavities; moves air in and out of lungs
diaphragm
larynx
trachea
pharynx
___________ represents the ear in frogs.
cloaca
pinnae
tympanum
operculum
Reptiles are
Homiothermic
poikilothermic
both
none of these
Which of the following is not a flight adaptation in birds?
ossified endoskeleton
pneumatic bones
forelimbs modified into wings
digestive tract with crop and gizzard
Respiration in birds takes place through
lungs
airsacs
both
beak
Alligator belongs to
amphibia
reptilia
mammalia
all of the above
Name an oviparous mammal.
Kangaroo
ostrich
Platypus
Bat
Birds are
Homoiothermous
poikilothermous
None of the above
Both
The skin of snakes is
moist and cornified
dry and cornified
oily and covered with scales
all of the above
Heart is ________ chambered in crocodiles.
2
3
4
5
Which of the following shed their skin as skincast ?
snakes
lizards
alligator
crocodile
Pneumatic bones means
Hollow bones
Bones are hollow with air cavities
bones are light
None of the above
