This is an inherited characteristic that increases an organism’s chance of survival

not sure if i’m right but maybe adaptation , fitness ? is this a multiple choice question ?

Explanation:

b is dominant over the allele for the white fur.

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.