Acquired because you don't inherit a "cut off" finger. You do it yourself.....if your clumsy enough
A. The wings are analogous structures that evolved differently and do not have a similar internal structure.
Answer:
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and breaking of chemical bonds between atoms, with no change to the nuclei (no change to the elements present), and can often be described by a chemical equation.
Explanation: