mammals
what do mammals need in their environment to survive?
food, water.
what do birds need in their environment to survive?
food, water, and shelter.
what do amphibians need in their environment to survive?
water
how do mammals stay warm?
body heat, and hair/fur to trap in the heat.
where can birds live?
woodland, aquatic, scrub, shurb, or open habitats
where can amphibians live?
on land or in water
where can mammals live?
almost anywhere
where can birds not live?
in water
what kind of skin do amphibians have?
slimey
how are babies fed after birth?
milk from the mother
how are bird eggs fertilized?
internally before being laid
what is something special about the amphibian eye?
clear eyelid
how are babies fed before birth
umbilical cord
how many chambers are in the birds heart?
four
how do amphibians breathe?
through their skin