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Biology Benchmark 1
| Question | Answer |
|---|---|
| Homeostasis | A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level |
| negative feedback | a mechanism of response in which a stimulus initiates reactions that reduce/decrease the stimulus to bring the organism back to normal quickly |
| positive feedback | increases/amplifies a stimulus/change in an organism to bring the conditions away from homeostasis temporarily.. Human body examples are contractions during childbirth and/or blood clotting. |
| Autotroph | An organism that makes its own food (like a plant makes glucose through photosynthesis); Producer |
| Heterotroph | An organism that cannot make its own food and must get nutrients from consuming another organism; Consumer |
| Prokaryote | A unicellular organism that lacks a nucleus and membrane bound organelles (bacteria) |
| Eukaryote | A cell that contains a nucleus and membrane bound organelles (plant, animal, fungi, protist) |
| Glucose | the form of sugar that circulates in the blood and provides the major source of energy for body tissues. |
| Carbohydrates | Broken down to glucose to provide energy for living things |
| Lipids | molecules made mostly of carbon and hydrogen that make up the fats, oils, and waxes |
| claim | A statement/assertion, developed/supported by evidence |
| evidence | Collected body of data from observations and experiments |
| Reasoning | the process of drawing/explaining a conclusion on the basis of evidence |
| Stimuli | Changes, occurring within/outside the body, that pull an organism away from the set-point/normal-range |
| Levels of organization | cell, tissue, organ, organ system, organism |
| levels of matter | atoms, molecules, macromolecules |
| organ system | group of organs that work together to perform a specific function |
| Cell | The basic unit of structure and function in living things |
| normal range | range of values around the set point that do not cause a reaction by the control center / this is the body at homeostasis |
| response | a reaction to a stimulus meant to regulate the system |
| Data | Qualitative/Quantitative information/facts collected together for reference or analysis, used to help form claims and explain concepts |
| Graphs | Charts that visually represent data (Ex: Pie, Bar, Line) for analysis |
| Glucoregulation | negative feedback mechanism used to keep steady levels of glucose in the body/blood |
Created by:
Keira Mei
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