| A | B |
| biosphere | all living things & where they live |
| biodiversity | the variety of life |
| manipulated/independent variable | the variable that is deliberately changed in an experiment |
| biology | study of life |
| organism | any individual living thing |
| cell | basic unit of life |
| metabolism | chemical processes that build or break down materials |
| DNA | genetic material of life |
| system | organized group of related parts |
| Population | Group of organisms of one type that live in the same area |
| homeostasis | maintaining internal conditions |
| evolution | change of living things over time |
| responding/dependent variable | the variable that is observed and measured |
| observation | using senses |
| data | recorded observations |
| hypothesis | proposed answer for a scientific question |
| experiment | testing a hypothesis |
| gene | segment of DNA that codes for a characteristic |
| biotechnology | the use & application of living things and biological processes |
| spontaneous generation | the idea that life arise from nonliving matter |
| Redi | Concluded that maggots only appeared when flies come in contact with meat. Spontaneous generation did not occur. |
| John Needham | Concluded that under the right conditions spontaneous generation can occur. He heated gravy and covered one container. |
| Spallanzani | He boiled gravy and concluded that nonliving grave did not produce living things. |
| Pasteur | Showed that all living things come from other living things. |
| Theory | A well tested and accepted hypothesis. |
| Biology | The science that seeks to understand the living world. |
| Sexual Reproduction | Cells from two different parents unite to produce an organism. |
| Asexual Reproduction | A new organism formed from one single parent. |
| Homeostasis | The process by which organisms maintain a stable internal environment. |
| Metabolism | Chemical reactions through which an organisms builds up or breaks down materials to carry out life processes. |
| Tissue | A group of similar cells |
| Organ | A group of similar tissues with similar functions |
| Observations | The process of gathering information about events and processes |
| Stimulus | A signel to which an organism responds |
| Ecosystem | Community and it's nonliving surroundings |
| Community | Populations that live together in a defined area |