Some fish have bony fins. if the body of water they are in dries out, these fins can be used to help the fish "walk" to another body of water. in this context, bony fins are an example of ______.
Some fish have bony fins. If the body of water they are in dries out, these fins can be used to help the fish "walk" to another body of water. In this context, bony fins are an example of an exaption
