It would be called emigration. Movement of organisms into a range is called immigration.
Organelles are part of a cell. They make up the cell and make sure it works properly. The way I remember is like this - if we were a cell, our organelles would be our organs. Examples of organelles are endoplasmic reticulum or mitochondria.
So Iron can be found in many many different things.
•The core of the earth is majorly composed of Iron, Sulfur, and Nickel.
•It can be found In minerals such as Magnetite and Taconite.
•It can be found In meat, poultry, and fish.
When a random pair of DNA is added it’s a insertion mutation because you’re inserting a random pair which can either affect or benefit the person