Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. Now imagine that you traveled to an Earth-like planet located light-years away that is known to support life. Make an argument for what you think would be the dominant type of life form on this planet. Consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.
I think you should just go with like a human-like life form with similar levels of intelligence would be the dominant life form and that a notochord may not be required as long as the life forms are in reasonably strong physical shape; they can manipulate their environment and become a dominant creature without one really.
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