What do birds secrete to attract a mate?
Energy. Energy fur and fat seeds oxygen pollen Estrogen acetic acid
A B C D E F G H
For example, female birds secrete estrogen in response to the courtship of their male mates.
Birds secrete estrogen to attract a mate
What do birds secrete to attract a mate? (A) Energy. (B) Energy (C) fur and fat (D) seeds (E) oxygen (F) pollen (G) Estrogen (H) acetic acid