Mammals are 
animal transport Heterotrophs parasites fur and fat animals pathogens producers more abundant
A B C D E F G H
Mammals depend on the vegetation for food and shelter.
Mammals are Heterotrophs
Mammals are  (A) animal transport (B) Heterotrophs (C) parasites (D) fur and fat (E) animals (F) pathogens (G) producers (H) more abundant