Is phenotypic variability reversible or irreversible? IS genotypic variablity reversible or irreversible?

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti