How does cartilage differ from other connective tissue?

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

Archaebacteria use for movement. celia flagella pili cell walls