| A | B |
|---|
| microscope | an instrument that makes an object appear bigger than it is |
| Robert Hooke | scientist who gave the cell it's name while looking at cork with a microscope |
| Anton van Leeuwenhoek | first person to describe living cells while looking at pond water with a microscope |
| spontaneous generation | theory that nonliving material can produce living things |
| unicellular | made up of 1 cell |
| multicellular | made up of many cells |
| biogenesis | the theory that living things come only from other living things |
| Francisco Redi | showed that maggots come from the eggs laid by flies on meat, not from the meat itself |
| Lazarro Spallanzani | showed that microorganism contaminated the boiled broth only when the flask containing the broth was left open to to the air |
| Louis Pasteur | broiled broth in S-shaped flasks; showed that microorganisms in the dust trapped in the neck of the flask |
| stimulus | anything an organism reacts to |
| response | the reaction of an organism to a stimulus |
| cells | the smallest units of life |
| 3 needs of living things | energy, raw materials, and living space |
| 4 characteristics of living things | made of cells, grows and develops, responds to environment, and reproduces |
| growth | the process of getting larger |
| development | the process of going through changes |
