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bio chap 1
chapter 1 vocab words
| Term | Definition |
|---|---|
| biosphere - 1.1 | all organisms and the part of earth where they exist |
| biodiversity - 1.1 | variety of life within an area |
| species - 1.1 | group of organisms so similar to one another that they can breed and produce fertile offspring |
| biology - 1.1 | the study of life |
| science - 1.1 | the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested |
| organism - 1.2 | any individual living thing |
| cell - 1.2 | basic unit of life |
| metabolism - 1.2 | all chemical processes that synthesize or break down materials within an organism |
| DNA - 1.2 | molecule that stores genetic information |
| system - 1.2 | changing, organized group of related parts that interact to form a whole |
| ecoystem - 1.2 | collection of organisms and nonliving things, such as climate, soil, water, and rocks, in an area |
| homeostasis - 1.2 | regulation and maintenance of constant internal conditions in an organism |
| evolution - 1.2 | change in a species over time; process of biological change by which descendants come to differ from their ancestors |
| adaptation - 1.2 | inherited trait that is selected for over time because it allows organisms to better survive in their environment |
| observation - 1.3 | using the senses to study the world; using tools to collect measurements; examining previous research results |
| data - 1.3 | observations and measurements recorded during a experiment |
| hypothesis - 1.3 | proposed explanation or answer to a scientific question |
| experiment - 1.3 | process that tests a hypothesis by collecting information under controlled conditions |
| independent variable - 1.3 | condition or factor that is manipulated by a scientist during an experiment |
| dependant variable | experimental data collected through observation and measurement |
| constant - 1.3 | condition that is controlled so that it does not change during the experiment |
| theory - 1.3 | proposed explanation for a wide variety of observations and experimental results |
| measurement - 1.4 | a determination of the dimensions of something using a standard unit. |
| accuracy - 1.4 | a description of how close a measurement is to the true value of the quantity measured |
| precision -1.4 | the exactness of a measurement. |
| microscope - 1.4 | tool that provides an enlarged image of an object |
| gene - 1.4 | specific region of DNA that codes for a particular protein. |
| genomics - 1.4 | study and comparison of genomes within a single species or among different species. |
| molecular genetics -1.4 | study of DNA structure and function on the molecular level. |
| biotechnology - 1.5 | use and application of living things and biological processes. |
| transgenic - 1.5 | organism whose genome has been altered to contain one or more genes from another organism or species. |
Created by:
rcolangelo25
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