Baby Birds come from
eggs
mammals have ___ blood
warm
Reptiles lay ____
eggs
Ambhipiands live on land and ____
water
They usually have ___ limbs
6
Even flightless birds have ____
Wings
mammals breath
air
Reptiles are ___ blooded
cold
Baby frogs are called
tadpoles
Instead of lungs they breath through ___ a series of openings
spiracles
Bird bones are ____
Hollow
Instead of laying eggs, mammals have
live birth
tails
Amphibians undergo ___ when they move from water to land
metamorphosis
They have ____ eyes
compound
Birds use ___ for eating
beaks
Mammals are covered in
hair or fur
Some can distend their ___ to swallow small animals
jaws
Amphibians are ___ blooded
cold
The scientific name for bugs is
insect
Birds are properly called
Avians
The main thing mammals produce that other animals don't is
milk
Sometimes they can survive
over a hundred years
Amphibians have a ____ skin
permeable
The 3 parts of their bodies are
head, thorax, and abdomen