Which answer best describes the overall structure of the "pigmentation" section of the text? it compares pigmentation in birds with pigmentation in plants, other animals, and humans. the text explains similarities and differences in the appearance and function of the types of bird feathers. it discusses how the production of pigments changes birds' coloration over time. it explains how specific chemicals in cells make feathers appear to be certain colors.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

explanation:

allergens: overstimulate the nerve system

neurotics: attack nerve cells

mutagens: damage or otherwise alter dna sequence

generators: cause defects during growth and development  

carcinogens: cause unchecked cell growth

i hope you get the idea according to me these are the effects that happened.

answer; criterion validity