What is copulatory organ designed to deliver sperm into the female body sociocultural dimensions

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.