What do dogs use to mark their territory?
water Chemicals layers of fat food Animal fur heat energy Scratches heat produced
A B C D E F G H
Pheromones are a sub-category of semiochemicals.
Male dogs use chemicals to mark their territory.
What do dogs use to mark their territory? (A) water (B) Chemicals (C) layers of fat (D) food (E) Animal fur (F) heat energy (G) Scratches (H) heat produced