This term describes an organism that is too small to be seen with the naked eye.
What is microscopic?
This is considered the basic building block of life, making up all living things.
Answer: What is a cell? [1, 2, 3, 4]
The human body contains approximately this many microorganisms living on and in it.
Answer: What is 100 trillion?
This is a sickness or illness caused by harmful microorganisms entering the body.
Answer: What is an infection?
This type of medicine is used to kill bacteria, but accidentally reduces both the good and the bad bacteria in the body
Answer: What are antibiotics?
This metric unit of measurement is typically used to measure the size of bacteria.
Answer: What is a micrometer (or micron)? [1]
True or False: All living things—including plants, animals, and bacteria—are made of cells.
Answer: What is True?
This term refers to the entire collection of microorganisms living in a specific environment, like the human gut.
Answer: What is a microbiome?
A healthy microbiome contains a wide variety of these types of bacteria.
Answer: What are helpful bacteria?
This is the name of the harmful, food-poisoning bacteria that originally infected Patient 23.
Answer: What is C. jejuni (Campylobacter jejuni)?
Even though they are both too small to see with the naked eye, this structure is much larger than a molecule.
Answer: What is a cell?
This structure controls what enters and exits a cell.
Answer: What is the cell membrane?
The human body provides these two essential things that bacteria need to survive and multiply.
Answer: What are food and space?
Helpful bacteria protect the body by taking up food and space, which leaves no room for these to grow.
Answer: What are harmful bacteria (or pathogens)?
What is a common infection we can get from raw chicken or raw eggs.
Answer: What is Salmonella?
$400 Clue: Order these from smallest to largest: Bacteria, Molecule, Human Cell.
Answer: What is Molecule → Bacteria → Human Cell?
This type of organism is made up of only one single cell.
Answer: What is bacteria (or a unicellular organism)?
Most of the microorganisms that make up the human microbiome belong to this specific group.
Answer: What is bacteria?
Answer: What is bacteria?
Some helpful gut bacteria assist our bodies by doing this to the meals we consume.
Answer: What is breaking down food (digestion)?
For a scientific claim about Patient 23's health to be convincing to researchers, it must be supported by this.
Answer: What is evidence?
This key concept term refers to the relative size of things.
Answer: What is scale?
This is the definition of any living thing, which requires energy, nutrients, and the ability to grow.
Answer: What is an organism?
This new and growing medical treatment introduces healthy microbiome bacteria from a donor into a sick patient's gut.
Answer: What is a fecal transplant?
Living things with fewer than normal helpful bacteria in their guts get sick more easily because of this reason.
Answer: What is because there is more food and space available for harmful bacteria to grow?
This is the total number of days we observed growth on the petri dish.
Answer: What is 9 days?