Neither is correct actually
Should be Eukarya, I think
your answer is the third one.
Usually representing a solid you used a 3d model.
And there are balls in them representing atoms and in a video it shakes or vibrates to represent the motions of a solid.
Gause's Competitive Exclusion Principle
The 'competitive exclusion principle' (CEP) states that two species with identical niches cannot coexist indefinitely. ... Gause helped propel ecology by his approach of experimentally testing mathematical models, and his unifying the concept of the niche with resource competition.