external fertilization
hair
The common ancestor of mammals and birds was a reptile.
ectotherms because how they react is simaler to their functions but reptiles are enthoderms
they r both mammals.
They are both mammals...........................................................................................................thats it.
Both birds and mammals care for their young.
It is rephrased as mammals are homeothermic animals .
They are mammals
To provide sustenance to new born young.
Reptiles and mammals are vertebrates. They both breathe air.
There are hundreds of mammals in Africa. Three of the most common and diverse are the common rat, the zebra and the duiker, a small antelope.
they are both mammals