what howls?
cats vertebrates h2o Therapsids sound vibrations One can hear insects canis lupus
A B C D E F G H
Canis lupus is the same species that includes grey wolves.
canis lupus howl
what howls? (A) cats (B) vertebrates (C) h2o (D) Therapsids (E) sound vibrations (F) One can hear (G) insects (H) canis lupus