Cell Theory
All _________________ are made of cells.
living things
Bacteria is an example of this type of organism
Unicellular
He discovered cells by looking at cork, thinking they looked like little rooms
Hooke
The basic structural and functional unit of life
Cell or Cellular Structure
Alive or Not: Potato chips
Not (but delicious!)
The cell is the most basic unit ____________.
of life
These organisms are made of more than one cell.
Multicellular
He explored his own dental scrapings, discovering single celled organisms he called "animalcules".
Leeuwenhoek
Organisms become bigger and more complex
growth and development
A chair is living, non-living or dead
Non-living, (but made from something that once was living.)
All cells arise from ___________________.
preexisting cells
The only type of cell that can be seen by the naked eye
Egg
He studied plant cells
Schleiden
This allows living things do what they need to do, such as repair injured parts
Energy
The only cell see you can see with the naked eye
egg
Cells _____________ in order to made new organisms.
divide or reproduce
This type of cell does not contain a nucleus
prokaryote
He studied animal cells
Schwann
Reproduce
tissue
This invention enabled the development of cell theory
Compound microscope
Plants and animals are made of this type of cell.
Eukaryotic
He did the research that showed cells came from pre-existing cells (the research that was borrowed without permission)
Remak
Maintain stable internal conditions
Homeostasis
You can not make more of this type of cell
Nerve cells