Answer:
the diseases that come at the time when they born are called congenital disease
Explanation:
mainly occur to babies
Yes they do have a cell wall
Statistical data relating to the population and particular groups within it.
It was exposed to oxygen. This is called oxidation and it's a chemical reaction, meaning it can't be reversed.
Analogous. This means they share a similar function (flight) but do not have the same embryonic origin.
