What is used in reproduction?
Bacillus anthracis spores two pairs of wings birth control embryo implantation gene mutations embryo disintegration animals in Class Aves embryo destruction
A B C D E F G H
What is used in reproduction? (A) Bacillus anthracis spores (B) two pairs of wings (C) birth control (D) embryo implantation (E) gene mutations (F) embryo disintegration (G) animals in Class Aves (H) embryo destruction