Spontaneous Generation

Question 1

Francesco Redi’s Experiment

Answer 1

Had 3 jars, each with meat in them. One was open, one was sealed, and one was covered in gauze. The open jar had many flies swarming around it, the second jar did not have any, and the third jar had few flies at the top. The point of the experiment was to show that spontaneous generation did not exist.

Question 2

Maria Sibylla Merian’s Observations

Answer 2

Studied flowers/nature; concluded that leaves do not spawn larvae

Question 3

Hans and Zacharias Janssen

Answer 3

First people to create a microscope
Combined two convex lenses with a tube
Made it easier/more practical to observe cells

Question 4

Robert Hooke

Answer 4

Coined the term “cell”
Looking through microscope and seeing lots of little “structures” = saw that they looked like cork cells = called them cells
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Question 5

Anton Van Leeuwenhoek

Answer 5

Built microscopes - ping pong paddle
Looked at lake and tooth scum
Discovered “animalcules” - variety of one celled organisms

Question 6

Matthias Schleiden

Answer 6

All plants are made of cells

Question 7

Theodor Schwann

Answer 7

All animals are made of cells