science Flashcards
1
Q
What does a compound microscope help you do?
A
Helps you see small objects
2
Q
Cell theory？
A
- All living things of one or more cells
- The cell is the basic unit of life and does all the work to keep living things alive.
- All cells come from other cells
3
Q
What did Hans and Zacharias Jansen do
A
helped create the first compound microscope.
4
Q
Anton van Leeuwenhoek
A
was the first to see tiny living things, which he called “animalcules.”
5
Q
Robert Hooke
A
named the “cell” after looking at cork under a microscope.
6
Q
Matthias Schleiden
A
said all plants are made of cells.
7
Q
All together what did these scientists help us with
A
These scientists helped us understand what cells are and how microscopes work
8
Q
Major classes of cells?
A
PROKARYOTIC CELL
Lacks a nucleus and most other organelles (EX: bacteria and archaea)
EUKARYOTIC CELL
Has nucleus surrounded by membrane and other organelles (EX: protists, fungi, plants, and animals)
