Decreased grassland habitat size caused by a warmer climate
The results of inbreeding over generations essentially creates deformities and handicaps caused by DNA that is too close. When the DNA is too similar in patterns, the chromosomes and such get ruined. That is why we see most inbreeding cases lead to debilitative diseases or handicaps.
B..................................
Just based on common evidence....I think it is because of all the fast food restaurants, we work a lot therefore we resort to eating out, fast food places have dollar menus, and we also use motorized transportation to much as well. Most of the cities are not equipped with things like bicycle lanes.
Answer:
liver and skeletal muscle