It was later discovered that us humans are literally no different from animals, insects, etc. Yes we are no different from that of an ant. The only difference is that we are smart enough to be socially aware of our surroundings.
The only reason us humans are smarter than the average animal is because we evolved. However just because we evolved that does not guarantee that our conscious is higher than an animal's level of consciousness. It's all the same stuff.
The only way we will survive longer than 100 years is through evolution.
Show me the proof that 'we' do x things to achieve y.
This entire country is built on reproduction after death. It is instinct to survive and reproduce.
We live, we reproduce, we die. Cycle repeats.