| A | B |
| acquired behavior | behavior that is taught and learned |
| angiosperm | flowering plant that produces seeds inclosed in a fruit or pod |
| asexual reproduction | reproduction from one parent |
| behavior | all the actions of a living thing |
| biome | a large area of land that has the same climate and a certain kind of climax community |
| cell | tiny unit of which living things are made |
| cell membrane | outer skin of a cell |
| cell wall | stiff covering of a cell of a plant or plant-like microbe |
| cell theory | idea that the idea that all living things are made up of one or more cells, and that cells are the basic units of structure and function in living things, and that cells come only from other living cells which has all been supported by data repeatedly |
| chlorophyll | green substance the cells use to make food |
| classification | grouping things according to similarities |
| community | all the populations that live together in acertain place and interact with one another |
| conclusion | ending, inference, summation of what you have learned from an experiment |
| conservation | saving,protecting from loss, reduction or damage |
| control | standard by which any change can be measured |
| data | information from which conclusions can be made |
| diffusion | movement of a substance from an area of high concentration to an area of low concentration |
| ecology | study of living things and their environments |
| endoskeleton | the skeleton inside the body of which the backbone is the central part |
| fertilization | the joining of the nuclei of the egg and the sperm |
| flower | plant's organ of reproduction |
| food chain | sequence of food organisms through which energy passes |
| food web | a way of showing how two or more food chains are linked together |
| germination | embryo of seed begins to grow |
| gram | basic metric unit of mass |
| gymnosperm | plant that produces naked seeds not enclosed in fruit, such as pine, spruce or cedar |
| habitat | the place where a species lives |
| hypothosis | a guess or possible answer to a scientific question |
| inborn behavior | behavior animal is born with, instinct |
| invertebrate | animal without a backbone |
| kingdom | one of the five largest groups of organisms |
| life span | all the stages of the human life cycle |
| liter | metric unit of volume, abbrev. L. |
| meiosis | division of cells that forms sex cells |
| meter | Basic SI unit of length, abbrev. m. |
| mitosis | process in which a body cell nucleus develops into nuclei |
| nonvascular | a plant that lacks the specialized tissues to transport water, such as a moss |
| nucleus | a cell's center of control |
| osmosis | diffusion of water or other solvent through a membrane |
| photosynthesis | process by which green cells , in the presence of light, carbon dioxide and water make sugar and oxygen |
| pollination | the transfer of pollen from a stamen to a pistil |
| population | all the members of one species that live in one area |
| protist | one celled microbes with a true nucleus |
| punnett square | a chart used to predict the heredity of a trait |
| repiration | the "burning" of food in which sugar combines with oxygen to produce carbon dioxide and water with the release of energy |
| seed | structure that contains a tiny ,living plant and food for its growth |
| seed dispersal | the scattering of seeds by the movement of seeds away from the parent plant |
| sexual reproduction | reproduction through the union of a male and a female gamete, each contributing genetic mateial to the offspring |
| species | a group of organisms with all the same structures |
| spore | reproductive cell of a mold |
| system | group of organs that work together to do a special job |
| theory | an explanation of a scientific idea that has been thoroughly tested and accepted |
| tissue | group of similar cells that do a special job |
| vertebrate | animal that has a backbone |
| wild life | animals living in forest, park, or preserve |
| zygote | cell that results from the fertilization of an egg by a sperm |