Unit 1 Vocabulary

Energy- The ability to do work. DNA- Genetic information within cells. (Deoxyribonucleic acid) Reproduction- Transmitting genes to offspring for survival. Cellular Respiration- The process by which cells take in oxygen and sugar to produce energy. Photosynthesis- The Process by which plants convert light into glucose.

Hypothesis-A testable statement that Hypothesis-A testable statement that relies on information gathered from observation and inference. 7. Independent Variable- A variable in an experiment that the scientist deliberately changes (manipulated variable). 8. Inference- Uses prior knowledge to figure something out or develop a hypothesis. 9. Observation- The first step to carrying out scientific processes. Involves using at least one of the five senses. 10. Biology- The study of life.

11. Qualitative Data- Data drawn from observations made from the five senses. 12. Experimental Group- A group or subject in an experiment that is tested by measuring responses to variables. 13. Science- A systematic way to examine the natural world. 14. Dependent Variable- Variable in an experiment that scientists observe for change or reaction (responding variable). 15. Control Group- Group or subject in an experiment in which all variables are kept the same so others are measured against it.

Theory- A well supported explanation that is based on repeated experimentation, but not proven. 17. Quantitative Data- Data drawn from measurements, often expressed in numbers. 18. Cell- The basic building block of life. 19. Adaptation- A beneficial trait that increases the organism’s chance of survival. 20. Homeostasis- Maintaining a stable internal environment.