| A | B |
| deep sea life | the idea that life began in the vents of the ocean floor |
| cosmology | the idea that a meteorite brought life to earth |
| spontaneous generation | the idea that life can arise from nonlife |
| primordial soul | the idea that life arose from chemical reactions that took place during prebiotic earth |
| creationism | the idea that life was created by a divine being, or God |
| systems | a group of organs working together to form a life process |
| eukaryotic | these cells do contain a nucleus |
| prokaryotic | these cells do not contain a nucleus |
| cells | these are the building blocks of life |
| tissues | these are groups of cells working together ro do a job |
| organs | these are groups of tissues working together to do a job |
| Redi | He was the first to use the the scientific method to try to disprove spontaneous generation |
| Louis Pasteur | He was credited with disproving spontaneous generation due to his invention of the swan-necked flask. |
| Robert Hooke | He discovered cells by looking at cork tree samples under a primitive microscope |
| von Leeuwenhoek | He saw "animacules" in pond water under a primitive microscope |
| Schwann | He concluded that all animals are made up of cells |