Answer:
There are many characteristics of a mammal their hair and furs, young are fed by milk, and sweat glanced.
Answer:
A. The version of the trait that is expressed over other alleles for the same trait.
Explanation:
It is called dominant because if it is present, even in heterozygous situations, it will be expressed.
They have a back bone
They are cold-blooded
Breathes through skin
(extras)
they go though metamorphosis
and they hatch from eggs! <span />
The answer would be : <span>both ethnologists and comparative behaviorists were correct.
Hope this helps !
Photon</span>