What type of pathogen cannot reproduce without a host cell?
What is a virus?
Are bacteria living or nonliving?
What is living?
Which system transports nutrients and oxygen throughout the body?
What is the cardiovascular system?
What is homeostasis?
What is maintaining stable internal conditions in a changing environment?
What is the smallest unit of life?
What is a cell?
Which viral cycle destroys the host cell?
What is the Lytic Cycle?
Do bacteria contain DNA?
What is Yes?
Which system exchanges oxygen and carbon dioxide?

What is the respiratory system?
What type of feedback works to return the body to a set point?
What is negative feedback?
What comes after cells in organization?
What are tissues?
What structure do viruses inject into host cells?
What is DNA or RNA?
What is one key difference between bacteria and viruses?
What is Bacteria are living and viruses are nonliving?
Which system controls body responses and sends signals?
What is the nervous system?
When blood sugar rises and insulin is released to lower it, what type of feedback is this?
What is negative feedback?
Correct order: cells → tissues → ____ → organ systems
What is organs?
Why are antibiotics not effective against viruses?
What is viruses are not living cells?
Why does improper use of antibiotics (like not finishing a prescription) lead to?
What is antibiotic resistance?
Which body system interaction involves chemical signaling that travels through the bloodstream to regulate body processes and influence brain activity?
What is the endocrine system interacting with the nervous system?
Which type of feedback amplifies a response until a specific event is completed?
What is positive feedback
What level includes all body systems working together?
What is an organism?
A newly discovered pathogen is 50–60 nm in size and is not treated with antibiotics. Which evidence BEST supports that it is a virus rather than a bacterium?
What is can not be treated with antibiotics?
How does antibiotic resistance develop in a bacterial population over time?
What is resistant bacteria survive, reproduce, and pass on resistance traits to future generations
Which two systems work together to deliver oxygen to cells?
What is the cardiovascular and respiratory systems?
Childbirth involves the release of oxytocin, which increases contractions and leads to more oxytocin release. What type of feedback mechanism is this and why?
What is positive feedback because the response increases/amplifies itself
What is the correct order of biological organization from the smallest level to the most complex, starting with atoms?
Atoms → molecules → cells → tissues → organs → organ systems → organisms