It might be empty because you haven't put any cookies in it, or because someone legitimately took the cookies out. You also need to prove common ancestory.
All homologous organisms are similar due to common ancestory.
All homologous organisms are similar due to common ancestory. This is true, but really doesn't tell us anything we didn't already know. Homology cannot be proven unless you already know the organisms have common ancestory, and therefore it cannot be given as evidence for common ancestory. All rights reserved.