Question

The front leg of an iguana and the wing of a bird look different, but both limbs likely evolved from the same limb of a shared ancestor.

Structures such as these are said to be _______.

Answer 1

Hi @nicoletherecka !
I believe the answer you're looking for is homologous.
Here's a link with some information if you need any explanation as to why this is :)
http://evolution.about.com/od/evidence/a/Homologous-Structures.htm