English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

2006-12-12 16:16:10 · 1 answers · asked by Dave F 1 in Science & Mathematics Biology

1 answers

They stop it.

Genes can't flow if mating can't happen.

2006-12-12 18:33:49 · answer #1 · answered by jar 3 · 0 0

fedest.com, questions and answers