Introduction to Cells What do you already know about cells? THINK, INK, PAIR, SHARE
Can You Identify the Kingdom? Examine the cells – identify the kingdom. ANIMAL PLANT BACTERIA PROTIST FUNGI
100,000,000,000, trillion
30 billion
20 trillion
We didn’t always know cells existed.
Discovery… (1665) Hooke
Microscope… (1673) Leeuwenhoek
Plants… (1838) Schleiden
Animals… (1838) Schwann
Cell Division… (1900) Virchow
CELL THEORY #1 - Cells are the basic units of structure and function in an organism.
CELL THEORY #2 - All living things are composed of one or more cells.
CELL THEORY #3 - Cells come from existing cells.
Two Major Types of Cells: PROKARYOTICEUKARYOTIC
Main Parts…
Cell Wall vs. Cell Membrane
Flagellum and Cilia
Plastids chromoplastschloroplastsleucoplasts storage structures in plant cells