Take This Quiz On Microorganisms!

Microbe are organisms that are too small to be seen without using a ___________.

All the bacteria on and in your body weigh about three pounds, roughly equivalent to your brain.

The study of microorganisms is called ___________.

Most micro-organisms are unicellular organisms with how many cells?

Micro-organisms are critical to nutrient recycling in ecosystems because they act as __________.

A _____________ is an organism that breaks down long-chain polymers from dead organisms into smaller molecules.

The human _______ has more organisms living inside it than there are cells in the human body.

Bacteria are microbes, but not all microbes are bacteria.

Babies get their first dose of microbes as they're passing through what?

This bacteria is responsible for causing stomach ulcers.

___________ was a major breakthrough when Alexander Fleming discovered it in 1928. 

All strains of penicillin today are descendants from one moldy cantaloupe discovered in the year ________.

Micro-organisms first appeared on earth about how many years ago?

Bacteria would stretch out around _________ light-years.

Bacterium are made up of only two simple cells.

Which of the following is the smallest known bacteria?

Newborn babies do not have any bacteria on their bodies.

Who was the first one to observe and study micro-organisms?

Micro-organisms recycle the huge masses of organic matter synthesized by __________ as life on earth evolved.

There are around _______ bacteria in your belly button.