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WorksheetsU4 Vertebrates
Total questions: 20
Worksheet time: 10mins
All the animals in the same group have some ..... characteristics.
different
complete
strange
similar
Classifying animals helps us to ..... and ..... them better.
identify
understand
teach
look after
Animals are divided into two main groups
invertebrates
introvert
vertebrates
extrovert
Animals without a backbone are called
vertebrates
invertebrates
bony
backless
Animals with a backbone are called
invertebrates
introvert
extrovert
vertebrates
Vertebrates may be classified into
reptiles
birds
fish
mammals
amphibians
Mammals
breathe with skin
give birth to their young
have hair on their bodies
have scales on their bodies
suckle their young
Birds
reproduce by laying eggs
have a beak, two wings and two legs
breathe with gills
have feathers
breathe with lungs
Most fish
reproduce by laying eggs
have moist skin
are cold-blooded
are covered with scales
have gills and fins
Amphibians
are cold-blooded
lay their eggs in water
have scales
have moist skin
have two legs
Reptiles
breathe with lungs
most walk on four legs
have bodies that are dry and covered with scales
lay eggs with hard shell
have no scales but have bodies protected by a hard shell
Mammals
platypus
shark
bat
cow
whale
Birds
bee
butterfly
ostrich
bat
penguin
Fish
turtle
carp
shark
prawn
sea bass
Amphibians
frog
newt
salamander
crocodile
lizard
Reptiles
toad
tortoise
crocodile
lizard
snake
Invertebrates
jellyfish
snail
snake
goldfish
sea star
Advantages of mammals having hair on their bodies:
locate their prey
absorb oxygen
protect against extreme heat
provide soft padding
conserve body heat
The feathers of birds are useful to
provide soft padding
protect them from water and cold temperature
help camouflage
keep their eggs and chicks warm
escape from danger
The disadvantage of the permeable skin of a frog
the frog is able to absorb water directly
the frog loses water easily
the frog is able to absorb oxygen directly
the frog loses oxygen easily
