| A | B |
| Cell | smallest unit of life |
| Tissue | group of similar cells function together |
| Energy | capacity to do work |
| Metabolism | all chemical reactions in cell |
| Genes | instructions in DNA molecule |
| Homeostasis | relatively constant internal environment |
| Development | all changes from conception to death |
| Adaptations | modifications to make organism suited for its life |
| Evolution | process of species changing over time |
| Taxonomy | identifying & classifying organisms |
| Protista | examples: protozoans, algae |
| Fungi | examples: molds, mushrooms, yeast |
| Plantae | examples: fern, tree, moss |
| Animalia | examples: mammal, bird, fish, insect |
| Latin Binomial | scientific name |
| Population | all members of species in area |
| Community | all populations that interact in an area |
| Ecosystem | the communities & physical environment |
| Biosphere | zone of living things on earth |
| Hypothesis | "educated guess" - possible explanation |
| Control | goes through all steps except one being tested |
| Data | results of experiment |
| Conclusion | explanation of the data |
| Theory | very well supported concepts & hypotheses |
| Cell Theory | all organisms made of cells |
| Biogenesis Theory | life comes only from life |
| Evolution Theory | organisms change over time to fit environment |
| Gene Theory | coded information in DNA determines characteristics |
| Genus | first part of scientific name |
| Specific Epithet | second part of scientific name |
| Prokaryote | simple cell w/no nucleus or organelles |
| Eukaryote | complex cell w/nucleus & organelles |