It seems like Dwalin Forkbeard all night long learns biotechnology and builds with LEGO. As a result we have such MOC like this one.
It is a spaceship-invader of T3 modification. Its purpose – landing on interplanetary organisms L2-class or higher with the subsequent integration into genom. The pilot is complicated, sentient DNA-form, that leaves cabine and occupy the host’s systems.
You can see analogies with terrestial viruses: appearance, functions, structure. But there is also a differences like morphogenesis of invader from one spore, that indicates about more complicated evolving process.