Why are mice classified in the class mammalia ( 2 reason )

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

In which layer do organisms on earth love?