They are well at surviving because of their thick white coat. The white fur helps them blend in with the snow and ice. The polar bear also has a layer of fat under their skin so they can survive harsh temperatures.
I'm pretty sure it is "c"
Explanation: The allele for black is B and the allele for white is W. The heterozygous phenotype is known as erminette.
Answer:
Asthma-dust , Lung cancer- smoking, Pneumonia- coldness
Explanation:mark me brainliest please
Answer:
B
Explanation:
Proofreading" the new DNA strands in
DNA replication