Bio Glossary
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| BIOLOGY | Study of life.
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| ORGANIZATION | High degree of order within an organism's internal and external parts and in its interactions with the living world.
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| CELL | Smallest unit that can perform all life's processes.
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| UNICELLULAR | Organisms that are made up of one cell, as bacteria.
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| MULTICELLULAR | Organisms that are made up of multiple cells, like humans or trees.
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| ORGAN | Structures that carry out specialized jobs within an organ system.
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| TISSUE | Groups of cells that have similar abilities and that allow organ to function and other cellular functions.
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| ORGANELLE | Tiny structures that carry out functions necessary for the cell to stay alive.
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| BIOLOGICAL MOLECULE | Chemical compounds that provide physical structure and that bring movement and energy use.
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| HOMEOSTASIS | Maintenance of a stable level of internal conditions.
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| METABOLISM | Sum of all the chemical reactions that take in and transform energy materials from the environment.
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| CELL DIVISION | Formation of two new cells from an existing cell.
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| DEVELOPMENT | Process by which an organism becomes a mature adut.
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| REPRODUCTION | Process in which organisms produce new organisms like themselves.
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| GENE | Short segment of DNA that contains the instructions for a single trait of an organism.
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| DOMAIN | Subdivisions of all organisms.
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| KINGDOM | A traditional taxonomic system, the highest taxonomic category, which contains a group of similar phyla.
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| ECOLOGY | The study of interactions between organisms and the other living and nonliving components of their environment.
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| ECOSYSTEM | A community of organisms and their abiotic environment.
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| EVOLUTION | A heritable change in the characteristics within a population fro one generation to the next; the development of new types of organisms from preexisting types of organisms over time.
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| NATURAL SELECTION | The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution.
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| ADAPTATION | The process of becoming adapted to an environment; an anatomical, physiological, or behavioral trait that improves an organism's ability to survive and repoduce.
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| SCIENTIFIC METHOD | Series of steps followed too solve problems, including collecting data, formulating a hypothesis, testing the hypothesis and stating conclusions.
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| OBSERVATION | The information obtained by using the senses.
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| HYPOTHESIS | In science, an idea or explanation that is based on observations and can be tested.
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| PREDICTION | A statement made in advance that express the results that will be obtained from testing a hypothesis if the hypothesis is supported.
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| EXPERIMENT | A procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory or general truth.
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| CONTROL GROUP | In an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor
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| EXPERIMENTAL GROUP | In an experiment, a group that is identical to a control group except for one factor that is compared with the control group
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| INDEPENDENT VARIABLE | In an experiment, the factor that is deliberately manipulated.
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| DEPENDENT VARIABLE | In an experiment, the factor that changes as a result of manipulation of one or more other factors.
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| THEORY | An explanation for some phenomenon that is based on observation, experimentation and reasoning.
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| PEER REVIEW | The process in which experts in a given field examine the results and conclusions of a scientist's study before that study is accepted for publication.
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| COMPOUND LIGHT MICROSCOPE | A microscope that uses light to illuminate a specimen that is then magnified by two lenses.
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| EYEPIECE (OCULAR LENS) | The part of a compound ligt microscope that magnifies an image, usually 10 times.
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| OBJECTIVE LENS | The part of a compound light microscope that is located directly above the specimen and that magnifies theimage of the specimen.
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| STAGE | platform that supports a slide holding the specimen
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| LIGHT SOURCE | is a light bulb that provides light for viewing the image.
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| MAGNIFICATION | The increase of an object's apparent size by using lenses or mirrors.
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| NOSEPIECE | The part of a compound light microscope that holds the objective lenses in place above the specimen.
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| RESOLUTION | is the power to show details clearly in an image.
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| SCANNING ELECTRON MICROSCOPE (SEM) | A microscope that produces an enlarged, three-dimensional image of an object by using a beam of electrons rather than light
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| TRANSMISSION ELECTRON MICROSCOPE (TEM) | a microscope that transmits a beam of electrons through a very thin slice of specimen and that can magnify up to 200,00 times
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| BASE UNIT | One of the fundamental units of measurement that describes length, mass, time and other quantities and from which other units are derived.
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| metric system | single, standard system of measurement
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