To reproduce, mammals attract a mate through what?
Smell genes saliva eggs sex gametes fur warmth
A B C D E F G H
Animals mate because of smells.
To reproduce, mammals attract a partner through smell. 
To reproduce, mammals attract a mate through what? (A) Smell (B) genes (C) saliva (D) eggs (E) sex (F) gametes (G) fur (H) warmth