What is the relationship between adaptation and natural selection

Which of the following is a possible reason for sleep? a) growth b)digestive c)speed d)intelligence

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. albino x albino a) 1/4 chinchilla, 3/4, agouti b) 3/4 albino, 1/4 chinchilla c) all albino