Intelligent alien life form that is not based from animalia taxonomy kingdom

So far, we see an alien life form depicted based on earth type of animal kingdom, we see an insect like Zerg, a humanoid grey alien, etc.

However sometimes we see alien like Guardians of galaxy's Groot, Transformers robotic alien, and others.

The question:

Is that possible that an intelligent alien life form that can think complex logical thought, communicate with each other (and with us possibly), can move freely (not rooted on the ground), not in microscopic scale, and not evolve in animalia kingdom path (it can be based on earth's fungi, plants, algae, or anything even sands or magma just not animals in the taxonomycal branch) can logically exist? if yes, how would it evolve?

It can be walking plants, an intelligent crystal, a living planet to an interplanetary gas form of being that can move and think according to its own will.

Edited: It should developed naturally (no involvement of other alien/human to kickstart, or managed the evolutionary process)

posted over 7 years ago

Hariz Rizki‭

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