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Biology Unit 1 (1)
Vocabulary Words
| Term | Definition |
|---|---|
| Qualitative | Data with no numbers |
| Quantitative | Data expressed in or with numbers |
| Data | Information gathered using any of the five senses |
| Hypothesis | A proposed scientific explanation for a set of inferences |
| Ask a question | Identify a problem that needs to be solved |
| Form a hypothesis | An educated guess that can be tested |
| Hypothesis format | if, then, because |
| Manipulated variable | The variable that is changed |
| Dependent variable | The variable that changes in response to the manipulated variable |
| Control | The variable that does not change |
| Recording and Analyzing results | keep written or typed records of the data found |
| drawing a conclusion | use data to draw a conclusion that supports or rejects the hypothesis |
| The scientific method | ask a question, form a hypothesis, set up a controlled experiment, record and analyze results, draw a conclusion, repeat investigations |
| theory | a well supported hypothesis |
| Branches of Biology | molecules, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystems, biosphere |
| Molecules | atoms bonded together (DNA, proteins, water, glucose) |
| Cells | smallest unit that is capable of life (blood cells, bacteria, yeast) |
| Tissue | a group of cells that work together to do something (muscle) |
| Organs | a group of tissues that perform a task (heart, brain) |
| Organ Systems | a group of organs that work together (circulatory, digestive) |
| Organism | an individual living thing (human, bird, plant, bacteria) |
| Population | members of a species that live in one area (white tailed deer) |
| community | different populations that inhabit a certain area (pond) |
| ecosystem | abiotic and biotic factions that live together and interact (forest) |
| biosphere | all the different ecosystems that make the planet (earth) |