Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions. The statement "<span>Aristotle applied scientific principles to describe the flight of insects and birds, the movement of fish through water, and the way land animals run" is true.</span>
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.