Assimilating races

This concept of this catagory of alien species that has the abilty to absorb genetic material in order to maintain their species and invade others.

Methods of Asimmilation
through out the years many creatures and beings have diffrent methods of asimilating other sapient beings

Injection
This method has been used by a few species such as the Borg and Necromorphs to increase their numbers; this method is preformed when a member of a species injects their DNA or nanoprobes to take over and alter their cellular structure and eventually their minds.

Absorbtion
Absorbtion is often used by races to sustain their existence any species that has this ability are usually amorphous, the amount of living organisms they absorb allows them to grow to monsterous size depending how much they consume. This includes The Thing.

Parasitism
An ingenious method which allows a species to take over the bodies of others and in rare cases mutate the DNA of their hosts, this includes the Yeerks, Brain Slugs, and Xenocytes.

Reconstrution
This method is often used by ingorganic life forms that can convert any living thing into whatever the life forms needs, such as the Geth from Mass Effect that convert dead bodies into mechanical husks.