Answer:
All of the above
Explanation:
They are literally in the thesis so all are valid, although a thesis is usually the first paragraph, a sentence for that would be that scientists accidentally created killer bees, the conclusion contains all the choices you have listed
C. The infinite variety of human nature.
Subordinate is the correct answer
They are biotic, and density independent factors are abiotic.
Dash is the mark of punctuation that can indicate that more info is to come.
Hope this helped :)