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A&P Unit 1 Test
| Question | Answer |
|---|---|
| What is Anatomy? | Study of body structure |
| What is Physiology? | Study of body function |
| What is genetics? | The study of heredity |
| What is ecology? | interactions between organisms and the environment |
| What is microbiology? | The study of microscopic organisms |
| What are the characteristics of life? | Living things are made of cells, use energy, respond to stimuli, grow and develop, maintain homeostasis, reproduce, and have an evolutionary history. |
| Examples of living things being made of cells | Cells are the building blocks of life |
| Ex of living things use energy | Organisms require a constant input of power |
| Ex of living things respond to stimuli | Being frightened and reacting to it |
| Ex of living things grow and develop | Changing form over time |
| Ex of living things maintain homeostasis | Shivering when cold |
| Ex of living things reproduce | Birth |
| Ex of living things have an evolutionary history | Ancestors |
| Who created the Cell Theory? | Schleiden, Schwann, and Virchow |
| What does the Cell Theory state? | 1. All organisms are made of cells. 2. Cells are the basic unit of life 3. All cells come from preexisting cells |
| What are the Levels of Organization? | Atoms -> Cells -> Tissue -> Organ -> Organ System -> Organism -> Species -> Population -> Community -> Ecosystem -> Biosphere |
| What is Metabolism? | All chemical reactions in the body |
| Anabolism _____ molecules | Builds |
| Catabolism ____ _____ molecules | Breaks down |
| What is Homeostasis? | Maintaining stable internal conditions |
| Ex of Homeostasis | Body temperature, blood-glucose regulation |
| What does negative feedback do? | Reverses change (sweating cooling body) |
| What does positive feed back do? | Amplifies response (contractions) |
| What is Adaptation? | The evolutionary process where a population becomes better suited to its habitat over generations through natural selection |
| What is Natural Selection? | the fundamental process of evolution where organisms better adapted to their environment tend to survive and reproduce |
| Example of Adaptation | thick fur on polar bears |
| Example of Natural Selection | Galapagos finches adapting beak shapes |
| What is a Domain? | Categories higher than kingdoms in biological classification |
| Ex of Domain | Bacteria, Archaea, and Eukarya |
| What is a Kingdom? | A high level taxonomic category in biology |
| When were the Plantae and Animalia Kingdoms discovered? | 1735 |
| What is the Plantae Kingdom? | All multicellular plants - algae, mosses, ferns |
| What is the Animalia Kingdom? | All multicellular animals - invertebrates, insects, mammalia |
| What is Prokaryotic? | a single-celled organism without a nucleus or membrane-bound organelles |
| What is Eukaryotic? | An organism with a true nucleus and organelles |
| What is the Scientific Method? | A systematic process that helps scientists study the natural world |
| Steps of the Scientific Method: | Observation -> Question/Problem -> Research -> Hypothesis -> Experimentation -> Data Collection/Analysis -> Conclusion |
| What is a Hypothesis? | A testable explanation/prediction based on observations |
| What is the Independent Variable? | the factor you change/manipulate , x axis |
| What is the Dependent Variable? | the factor you measure/observe , y axis |
| What is a Constant? | factors that remain the same throughout an experiment |
| What is the Control Group? | A group where the experimental variable is NOT changed; a standard. |
| What is the Experimental Group? | A group that is exposed to the variable being tested. |
| What is Inductive Reasoning? | Using specific observations and logic/reasoning to arrive at a hypothesis |
| What is Deductive Reasoning? | Predicts what should happen if the hypothesis is true. "If...then..." statements. |
| Why is Peer Review important? | Ensures the research is valid, reliable, and free from errors. |
| What is Scientific Bias? | Any systematic error/unfair leaning that skews research results and distorts objective truth |
| Ex of Scientific Bias | Noticing only evidence that favors a specific idea rather than an equal amount of both |
| Why is Experimental Design important? | It minimizes errors and increases reliability. It helps ensure results are due to the experimental variable, not other factors. |
| How are Science and Technology related/how do they work together? | Science explores the principles of the natural world. Technology applies scientific knowledge to meet society's needs. Together, they help us to understand and solve global challenges. |
| Loss of Biodiversity and Habitats | Due to human activities, habitats are being destroyed. The loss of habitats leads to species extinction and weaker ecosystems. Loss of biodiversity (variety of life on Earth) means a loss of ecological balance. |
Created by:
maicey.m