An example would be plants, because they produce their own FOOD. And don't need someone feeding it. This is called photosynthesis
Very high level atmosphere
Answer:
boron , because the protons and electrons are 5 . and we all know that boron = 5.
I believe that hair and limbs are homology because all mammals have hair and similar limb structure. Hair loss and social behavior on the other hand are homolasy because not all mammals have them. Homology is the similar traits due to common ancestry while homoplasy is similar traits for other reasons other than common ancestry.