Why do you think poikilothermic (cold blooded) animals are
slowed down by low temperatures?

Poikilothermic (cold blooded) animals are slowed down by low temperatures because all chemical reactions slow down as the temperature is lowered, so at low temperatures, all the chemical reactions in an organism slow down.

LEMME GET BRAINLIEST

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

b is dominant over the allele for the white fur.