Definitions
the relative size of something
scale
Key concept 1
Many organisms are microscopic—so small that they cannot be seen with the naked eye.
Most of the microorganisms in our body
bacteria
the number of microorganisms that live on and in our bodies
100 trillion
Place the following organisms in order from largest smallest.
Water molecule, electron, Redwood tree, human
Redwood tree, human, water molecule, electron
all of the microorganisms that live in a particular environment, such as a human body
microbiome
Key concept 3
Almost all cells are microscopic
spell _________ backwards
airetcab
microorganisms that live on our eyelashes
eyelash mites
living things, such as plants, animals, and bacteria
organisms
There are 100 of these inside one meter
Centimeter
One of the microorganisms we saw which was once a living thing.
Silk worm, bread mold, protozoa, plant stem/root
microorganisms are microscopic meaning
they can't be seen with the naked eye
multicellular
an organism having more than one cell
How many micrometers are in a meter
1,000,000
We look through this to see microorganisms
Eye Piece
cells are MUCH bigger than these (1000 times bigger)
molecules
unicellular
an organism having one cell
This is a smaller measurement than micrometer
nanometer or picometer
Name two types of microorganisms
Ringworm, C. Difficile, E. Coli
measurements of most microorganisms
micrometer