| A | B |
|---|
| ecosystem | a community of living organisms and their interrelated physical and chemical environment |
| electronic communication | system for the transmission of information using electronic technology (digital camers, cellular telephones, internet, television, fiber optics |
| embryology | the branch of biology dealing with the development of living thins from fertilized egg to its developed state |
| endangered species | a species that is in danger of extinction throughout all or a significant portion of its range |
| engineering | the application of scientific, physical, mechanical and mathematical principles to design processes, products and structures taht improve the quality of life |
| environment | the total of the surroundings (air, water, soil, vegetation, people, wildlife) influencing each living being's existence, including physical, biological and all other factors; the surroundings of a plant or animals including other lants or animals, climate and location |
| enzyme | a protein that increases the rate of a chemical reaction without being changed by the reaction; an organic catalystt |
| equilibrium | teh ability of an ecosystem to maintain stability among its biological resources (forest, fisheries, crops) so that there is a steady optimum yield |
| ergonomical | of or relating to the design of equipment or devises to fit the human body's control, position, movement and environment |
| evolution | a process of change taht explains whey what we see today is different from what existed in the past; it includes changes in the galaxies, stars, solar system, earth and life on earth. biological evolution is a change in hereditary characterisitcs of groups of organisms over the course of generations |
| extinction | the complete elimination of a species from the earth |
| fact | information that has been objectively verified |
| geologic hazard | a naturally occurring or man-made condition or phenomenon that presents a risk or is a potential danger to life and property (landslides, floods, earthquakes, ground subsidence, coastal and beach erosion, faulting, dam leakage and filure, mining disasters, pollution and waste disposal, sinkholes) |
| geologic map | a representation of a region on which is recorded earth information (the distribution, nature and age relationships of rock units and the occurrences of structural features, mineral deposits and fossil localities) |
| groundwater | water that infiltrates the soil and is located in underground reservoirs called aquifers |
| hazardous waste | a solid that, because of its quantity or concentration or its physical, chemical or infectious characteristics, may cause or pose a substantial prsent or potential hazard to human health or the environment when improperly treated, stored, transported or disposed of, or otherwise managed |
| homeostasis | the tendency for a system to remin in a state of equilibrium by resisting change |
| hydrology | the scientific study of the properties, distribution and effects of water on the earth's surface, in the soil and underlying rocks and in the atmosphere |
| hypothesis | an assertion subject to verification or proof as a premise from which a conclusion is drawn |
| incinerating | burining to ashes; reducing to ashes |
