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Bio- Vocab Unit 1
| Question | Answer |
|---|---|
| Adaptation | An organism changing it's structures and behavior to help it survive in a specific environment. |
| Atom | smallest particle in an element |
| Autotrophs | organisms that makes its own food |
| Binomial System | Identifying organisms by their genus and species names |
| Biodiversity | Includes the diversity of species and their interrelationships with their environment. |
| Elements | A unique substance matter is formed that can not be broken down |
| Molecules | Groups of two or more atoms held together by chemical bonds in a specific order. |
| Organic Molecules | Molecules that contain carbon and some hydrogen is bound. |
| Cell | Basic unit of life |
| Tissue | A group of cells that carry out a specific function. |
| Organs | A combination of tissue that work together to carry out closely related functions. |
| Organ System | Organs united by a common overall function |
| Organism | A living thing made up of cells, that can either have single or multiple cells |
| Species | A group of similar organisms that can breed and produce fertile offspring |
| Population | A group of organisms of the same species in a given area |
| Community | A collection of different populations that interact with each other |
| Natural Causality | The scientific principle that all natural events can be traced back to natural causes. They are comprehendible. |
| Scientific Method | Six interrelated operations used to come to a conclusion about an experiment |
| Observation | The usage of the five senses to obtain evidence. |
| Question | A curiosity such as "Why did this happen?" that asks for information |
| Hypothesis | An educated guess |
| Prediction | What you believe will happen |
| Experiment | A way to test a prediction that will either support or deny the hypothesis |
| Conclusion | A summary based on the evidence from the experiment to prove or deny the hypothesis |
| Variable | A single factor that can change |
| Controls | Variables not being tested that remain contant |
| Scientific Theory | A general explanation of important natural phenomena. discovered from extensive and reproducible observations. |
| Inductive reasoning | A generalization from many observations supporting it, and none denying it |
| Deductive reasoning | making a hypothesis based on something well supported like the scientific theory |
| Evolution | Change in a kind of organism over time |
| Natural Selection | A process in which organisms that have certain inherited traits, tend to survive and reproduce at higher rates than others because of those traits |
| DNA | A molecule containing the heredity of info of all known forms of life; a cells genetic blueprint |
| chromosomes | structures made of DNA molecules that contain the genes |
| mutations | mistakes in the copying process of DNA |
| Homeostasis | A process where an organism resists change in order to maintain a stable and fairly constant eternal balance. "to stay the same" |
| Cell theory | the cell is the basic unit of life |
| genes | Units of heredity that help determine the characteristics of an organism, and to control life in a cell. |
| organelles | a small specialized structure that carries out a specific function within the cell |
| cell membrane | A thin layer surrounding the cell that regulates what enters and leaves and separates the internal from the external environment |
| cytoplasm | a jellylike fluid the cell which contain organelles |
| nutrients | Substances organisms need for energy, growth, maintenance and life processes |
| energy | the ability to do work |
| photosynthesis | Conversion of light energy from the sun into chemical energy like sugar. Used in plants. |
| autotroph | An organism that makes its own food, self feeders, undergoes photosynthesis. |
| heterotroph | An organism that cannot make its own food, must consume other organisms for energy. |
| domains | major categories |
| kingdoms | major subdivision of domains |
| prokaryotic | A unicellular organism that lacks a nucleus but carries info in the cytoplasm |
| eukaryotic | has a nucleus and other organelles |
| nucleus | Control center of the cell, A membrane enclosed sac that contains the cell's genetic material |
| multicellular | Many celled; lives depend on communication and cooperation |
| unicellular | Multicellular Many celled; lives depend on communication and cooperation Unicellular Single celled; little communication, cooperation, and organization |
Created by:
cpsaltos
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