| A | B |
| diffusion | the net movement of molecules from an area of greater concentration to an area of less |
| stimilus | anything an organism responds to, such as sound, light, heat, vibraton, odor, movement, hunger, thirst, and so on |
| chloroplasts | plant cell organelles in which light energy is changed to chemical energy in the form of sugar during the process of photosynthesis |
| equalibrium | conditions in which molecules of a substance are spread evenly through a space |
| mitochondria | cell organelles that break down food molecules and release energy |
| Golgi bodies | cell oganelles consisting of membrane covered sacs that package and move protiens to the outside of a cell |
| Phylum | the second highest taxonomic catergory in the animal kingdom |
| cytoplasm | the gel like substane inside the cell membrane that contains structures that carry out life processes |
| cytology | the study of cells their structure and function |
| electron microscope | an instuument that bends beams of electrons in a magnetic field |
| cell theory | a major theory of life science |
| photosynthesis | chemical reaction used by producers such as green plants to produce food |
| taxonomy | the science of classifying and naming organisms |
| ribosomes | a cell organelle on which protien is made |
| class | third highest taxonimic category below phylum(animals) and division(plants) |
| order | fourth highest taxonimic category below a class |
| organ system | a group of organs that perform a particular job |
| life span | the length of time an organism is expected to live |
| chromatin | hereditary materal in a cell's nucleus |
| active transport | movement of material through a cell membrane with the use of energy |
| mammology | the study of mammals |
| passive transport | movement of material through a cell membrane without the use of energy |
| cell membrane | the selectivly permeable outer boundery of a cell that allows food and oxygen to move into the cell and wastes to leave it |
| forstery | the science of cultivating forests and promoting the growth of forests |
| osmosis | the diffusion of water molecules through a cell membrane |
| wet mount | a slide prepared with a drop of water |
| icthology | the study of fish |
| kingdom | the highest and largest of the taxonomic categories |
| spontaneous generation | living things come from non- living matter |
| total magnification | eye piece times the objective lense |
| compound light microscope | an instrument that uses light and convex lenses to magnify objects |
| organelle | in eukaryothis cells the structures within the cytoplasm that breaks down food, moves wastes, and stores materials |
| biotic | living organisms in the environment such as plants and animals |
| variable | in an experiment, the factor tested |
| classify | to group ideas, information, or objects based on similarities |
| horticulture | the art or science of cultivating fruits, flowers and veggies |
| microbiology | deals with livings that are too small to be seen with the naked eye |
| organ | a structure made up of different types of tissues that work together to do a specific job |
| hypothesis | a prediction that can be tested |
| response | the reaction of an organism to its stimilus |
| control | In an experement, the standard for comparison |
| biogensis | the theory that living things come from other living things |
| cell | the smallest unit of a organisim that can perform life functions |
| lens | a curved glass that magnifies |
| theory | a description of nature based on many observations |
| botany | th study of plants |
| prokayotic cell | a cell w/o an organized nucleus |
| development | all the changes undergone by a living thing as it grows |
| zoology | the study of animals |
| scientific methods | problem solving procedures used by scientists |
| nucleus | the structure inside a cell that directs the cell's activities |
| tissue | groups of similar cells that do the same sort of work |
| host cell | a living cell in which virus reproduces |
| growth | getting bigger in size |
| virus | a microscopic particle made of either DNA or RNA core and covered with a protein coat |
| lysosome | a cytoplasmic organell that contains particles and digests wastes and worn out cell parts |
| adaptation | any characteristics of an organism that makes it better to survive in its enviornment |
| law | a rule that describes a pattern in nature and what will happen under specific conditions |
| taxonomy | the classification of living things |
| cell wall | in plants, the rigid sturcture made of cellulose that surrounds the plant cell membrane and supports and protects it |
| abiotic | non living physical fatures of the envornment encluding soil, water, temperature, air, light, wind, and minerals. |
| entomology | the study of inctets |
| Mycology | the study of fungi which includes mushrooms, mold and other fungi |
| genetics | the branch of biolony that deals with the principles of hereditary |
| biology | the study of life |
| field of view | circle of light viewed when looking though a microscope |
| HIV | virus that attacts the human immune system |
| resperation | the process by which organisims break down food to release energy |
| AIDS | aquired immune dificiency sindrome--a fatal cmmunicable desease caused by the HIV virus |
| homeostasis | the regulation of steady life maintaning conditions inside an organism or cell despte changes in its envirnment |
| vaccine | a soulution made from damaged virus particles |
| genus | a group of different organisms for a trait |
| specsis | a group of organisms whos members sucsessfully reproduce among themselves |
| organism | a living thing that is made of one or morecells, uses energy, an dreal creams |
| binomial nomenclature | the two word naming system that provides every organism with its own scientific name |
| ecology | geals with the relationship of living things to their environment and to each other |
| ornithology | the study of birds |
| biochemestry | the study of the substances and their changes in living things |
| herpetology | the study of reptiles and amphibians |
| physiology | the study of the different functions of the different parts of living things |
| phylogeny | the evolutionary history of an organism |
| division | second highest taxonomic category in the plant and fungi kingdoms |
| family | the fifth highest taxonomic category below an order |
| eukaryotic cell | a cell with an organized nucleus |
| dichotomous key | a detailed list of traits used to identify a specific organism |
| endoplasmic reticulum | a cell organelle consisting of a folded membrane that movess materials around within the cell |