Who discovered what in 1665?
Robert Hooke observed cork under a microscope and labeled what he saw as "cells"
Define Metabolism
What is the first component of the Modern Cell Theory?
All organisms are composed of cells.
Who Discovered what in the 1670s?
Anoton van Leeuwenhoek developed the microscope lense for greater magnification and observed bacteria, protozoa and red blood cells.
Response
perceiving and responding to changes in the environment
What is the second component of the Modern Cell Theory?
Cells are the basic unit of life.
Who are the "homeboys" and what did they discover?
Schleiden and Schwann discovered plant and animal tissues are composed of cell and sensed the important of the nucleus.
Homeostasis
keeping conditions inside of the organism balanced.
What is the third component of the Modern Cell Theory?
All cells come from the division of previous existing cells.
Who discovered that all cells result from the division of previously existing living cells?
Rudolph Virchow
reproduction
producing offspring
How do you know if something is living or not? And what evidence do you use?
Answers May Vary
What year did cell division become a key piece of the cell theory?
1855
Nutrition
obtaining food to provide energy for growth
Why would knowing the cell theory help discover if there is life on other planets?
Answers may vary.