Please enable JavaScript.
Coggle requires JavaScript to display documents.
Year 4 Unit 3: Animals Vertebrates (animals with backbone) - Coggle…
Year 4
Unit 3: Animals
Vertebrates
(animals with backbone)
Mammals
give birth to their young and suckle them (except duck-billed platypus and anteater)
the female mammals have mammary glands for milk production
bodies covered with fur or hair
have distint external ears
warm-blooded animals
breathe through lungs
horse / cow / goat
tiger / lion / hyena
elephants / giraffe / zebra
bats
Birds
breathe through lungs
warm-blooded animals
lay eggs with hard shell
body covered with feathers
have a pair of wings. Most birds can fly and some can swim
scales on legs
use beak to peck food
eagle
seagulls
owls
rooster / hen
humming birds :
Reptiles
cold-blooded aninamls
breathe through lungs
lay eggs with hard, leathery shell to prevent them from drying up
have dry and scaly skin to
prevent their bodies from losing too much water to the environment
have four limbs except snakes
lizard
iguana
crocodile
snake
tortoise / turtle
Amphibians
cold-blooded animals
can live on both land and in water
have two breathing organs: lungs and moist skin
young amphibians breathe through gills
have loose and moist skin
lay eggs covered with mucus and smelly
have four limbs and webbed feet to swim in the water
frogs
toads
salamander / newt
Caecilia
Fish
Cold-blooded animals
lay eggs (except shark, sea horses, sting rays)
have lateral lines to detect external stimuli
breathe through gills
body is covered with hard and slimy scales for protection
have fins for swimming and balance the body
gold fish
sardines
sea bass
grouper