This includes all sections of Chapter 1; From the Modern Biology book from HOLT, RINEHART, AND WINSTON.
Terms : Hide Images
| 10491812870 | biology | the study of life |  | 0 |
| 10491812871 | organization | the degree of order in an organisms parts and interactions with the living world |  | 1 |
| 10491812872 | cell | the smallest unit that can perform all life processes; the basic unit of life |  | 2 |
| 10491812873 | unicellular | describes an organism that only has one cell |  | 3 |
| 10491812874 | multicellular | describes an organism that has more than one cell |  | 4 |
| 10491812875 | organ | a collection of tissues that carry out a certain job in a body |  | 5 |
| 10491812876 | tissue | a collection of cells and cell products with particular jobs that perform those jobs |  | 6 |
| 10491812877 | organelle | one of the small bodies that are specialized to perform a certain job |  | 7 |
| 10491812878 | biological molecule | a chemical compound that provides physical structure and brings about movement, energy use, and other cellular functions. |  | 8 |
| 10491812879 | homeostasis | the process carried out by the human body to maintain a constant state |  | 9 |
| 10491812880 | metabolism | the sum of all chemical processes in an organism |  | 10 |
| 10491812881 | cell division | the formation of two cells from one existing cell |  | 11 |
| 10491812882 | development | the gene directed process by which an organism matures |  | 12 |
| 10491812883 | reproduction | the process of producing offspring |  | 13 |
| 10491812884 | gene | a segment of DNA that contains instructions for a trait |  | 14 |
| 10491812885 | domain | the major subdivisions of all organisms |  | 15 |
| 10491812886 | kingdom | a major category in the scientific classification of living things that ranks above the phylum and below the domain |  | 16 |
| 10491812887 | ecology | the study of the interactions between organisms and the other living or nonliving things in an environment |  | 17 |
| 10491812888 | ecosystem | a community of organisms and their abiotic and biotic environment |  | 18 |
| 10491812889 | evolution | a change of characteristics within a population over a long period of time |  | 19 |
| 10491812890 | natural selection | the process by which individuals that are better adapted to their environment survive and reproduce more successfully |  | 20 |
| 10491812891 | adaptation | the process of adapting to an environment |  | 21 |
| 10491812892 | scientific method | the series of steps followed to solve problems |  | 22 |
| 10491812893 | observation | perceiving an occurrence that causes someone to ask a question |  | 23 |
| 10491812894 | hypothesis | an educated guess; proposed explanation |  | 24 |
| 10491812895 | prediction | a statement that forecasts what would happen if the hypothesis were true |  | 25 |
| 10491812896 | experiment | procedures that are used to test a hypothesis and its predictions |  | 26 |
| 10491812897 | control group | a group that serves as a standard of comparison |  | 27 |
| 10491812898 | experimental group | a group that is identical to the control group except for one factor and that is compared with the control group |  | 28 |
| 10491812899 | independent variable | the factor that is manipulated |  | 29 |
| 10491812900 | dependent variable | the factor that changes as a result of the manipulated factor | | 30 |
| 10491812908 | theory | explanation for phenomenon based on observation, experimentation, and reasoning; supported by lots of evidence; doesn't conflict with existing observations |  | 31 |
| 10491812901 | peer review | experts examine the results and conclusions of a scientists study |  | 32 |
| 10491812902 | compound light microscope | a microscope that shines light through a specimen and has two lenses to magnify an image |  | 33 |
| 10491812909 | eyepiece (ocular lens) | the part of a compound light microscope that magnifies an image, usually ten times |  | 34 |
| 10491812910 | objective lens | the part of a compound light microscope that is located directly above the specimen and that magnifies the image of the specimen |  | 35 |
| 10491812911 | stage | a platform of a compound light microscope that supports the slide holding the specimen |  | 36 |
| 10491812912 | light source | a light bulb that provides light for viewing the image in a microscope |  | 37 |
| 10491812903 | magnification | the increase of an objects apparent size |  | 38 |
| 10491812913 | nosepiece | the part of a compound light microscope that holds the objective lenses in place above the specimen |  | 39 |
| 10491812914 | resolution | in microscopes, the ability to form images with fine detail in |  | 40 |
| 10491812904 | SEM (scanning electron microscope) | a microscope that passes a beam of electrons over the specimens surface |  | 41 |
| 10491812905 | TEM (transmission electron microscope) | a microscope that transmits a beam of electrons through a very thinly sliced specimen |  | 42 |
| 10491812906 | metric system | standard system of measurement based on the powers of 10 |  | 43 |
| 10491812907 | base unit | one of the fundamental units of measurement that describes length, mass, time, etc. |  | 44 |
| 10491812921 | characteristics of living things | organization, cells, response to stimuli, homeostasis, metabolism, growth, development, reproduction, change through time |  | 45 |
| 10491812922 | stimuli | physical or chemical; changes the internal or external environment; living things respond to this |  | 46 |
