-
He took many experiments to come up with the theory on how embryos generate and develop. Also came up with the theory on how organisms develop gradually from undifferentiated material; also known as epigenesis. info: https://embryo.asu.edu/
pic: www.researchgate.net -
Invented the compound microscope that allowed scientist to observe cells. info: http://fig.cox.miami.edu/
pic: micro.magnet.fsu.edu -
Partially discovered the process of photosynthesis by observing plants mass increasing because they are absorbing water. info: https://www.britannica.com/
pic: www.timetoast.com -
First to use the compound microscope to observe what he called cells, which he observed by looking at a piece of cork. info: https://science.howstuffworks.com/
pic: timetoast.com -
Learned to grind lenses and assemble them into simple microscopes; discovered blood cells. info: https://science.howstuffworks.com/
pic: www.timetoast.com -
Proved all things originate and are made of cells. Believed all cells came from pre-existing cells. info: http://fig.cox.miami.edu/
pic: biologydictonary.net -
Discovered the nucleus of plant cells while observing their cells through a microscope. info: http://fig.cox.miami.edu/
pic: www.emaze.com -
Looked at many plant samples on a microscopic level. He was the first to observe that all plants, and different parts of the plant, were made up of cells. info: https://science.howstuffworks.com/
pic: sites.google.com -
Schwann came to similar conclusions of Schleiden while studying animal samples and examining similar things. First cell theory: all living things are made of cells. info: https://science.howstuffworks.com/
pic: amoebamike.wordpress.com -
He discovered using the microscope that cells were present in human sperm and egg. All humans are formed of cells. info: softschools.com
pic: kingscollections.org -
Rudolf Virchow extended the work of Schleiden and Schwann by proposing that all living cells must rise from pre-existing cells. Laid the groundwork for studying disease on a cellular level. info: https://science.howstuffworks.com/
pic: timetoast.com -
Set up experiments of pasteurization to disprove spontaneous generation. info: https://science.howstuffworks.com/
pic: pinterest.com
