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Earth Science

Terms

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Science
Search for understanding the natural world using inquiry and experimentation
Allele
Any of a set of possible forms of a gene
Evolution
A proscess of change that explains why waht we see today is difrent from the past; it includes changes in the galaxies, stars, solar system, earth and life on earth. Biological evolution is a change in hereditary charateristics of groups of orginisms over the course of generations.
Niche
The role played be an organism in an ecosystem; its food prefrences, requerments for water, spechial behaviors
Thertoy
Systematically organized kanoledge appicable in a relativcely wide variety of circumstances; espechially a system of assumptions accuepted principles and ruels of procudese devised to analiyze predict of otherwise explane or bearvior of a specificed set of phenonona.
Biotechnology
The ways that humans apply biological concepts to produce products and provide services
Mitigation
the policy of construction or creating man-made habitats, such as wetlands, to replace those lost to development
Theroy of Ebolution (Wrong)
A theroy that barious typs of animals and plants have there orighin in other, preecisting types and that the diffrences are due to modification in successive generations.
Biological diversity
the varitey and complecity of species present and interacting in an ecosystem and the relative abundance of each.
Integrated Pest Management
A variety of pest control methods that include repairs, traps, bait, poison, etc. to eliminate pests
Physical Tech
The ways that humancs construct, manufacture and transport products
Mitosis
The sequential differentation and segregation of repicalted chromosomes in a cell's nuclesu that preceds coplete cell division.
Patterns
Repeat prosses that are exhibited in a wide variety of ways; identifiable recurrecnces of the elemets and/or the form
Dichotomous
dicided or dividing into two parts or classifications
Nova
A variable star that suddenly increases in brightness to several times its normal magnitude and returns to its original appearance in a few weeks to several months or years
Succession
The series of changes that occur in an echosystem with the passing of time
Risk management
A stategy developed to reduce or contorl he chance of harm or loss to one's helth or life; the porcess of iding evalutaion seleting and impleinting actions to ruduce risk to human life
Equilibrium
The ability of an ecosystem to maintain stability among its biological resources (e.g., forest, fisheries, crops) so that there is a stedy optimum yield
commodities
econimic goods or products before they are processed and/or given a brand name, such as a product of agriculture
Delineant
to trace the outline; to draw; to sketch; to depict or picture
Hazardous waste
A solid that becouse of it's quanity or concentration or its physical, chemical, or infectiouse chariacteristics, may casuse or pose a substantial present or potential hazard to human health or the environment when improperly treated, stored, transported, or disposed of, or otherwise managed
Environment
the total of teh surroundings (air water, soil, vegitation, people, wildlife) influencing each living being's exstence, including physical, biological and all other factors
Engineering
The application of scientific, physical, mechanical and mathematical principles to design prosses, products and structures that improve the quality of life
Regulation
A rule or order issured by an executive authority or regulatory or regulatory agency of a government and having the force of law
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 hte atmosphere
composting
the porcess of mixing decaying leaves and other nutritve matter to improve and fertillize soil
Homeostasis
The tendency for a system to remain in a state of equilibrium by resisting change.
Renewable
A narurally occuring raw material or form of energy that will be repenished through natural ecological ecycles or sound managment practices.
biotic
an enviromental factor related to or porduced by living organisms
consumer
1. Those organisms that ovtain energy by feeding on other organisms adn their remains. 2. A person buying goods or services for personal needs or to use in the production of other goods for resale
Transportation Tech
The physical ways humans
Biomedical technology
the application of health care theories to develop methods, products and tools to maintain or improve homeostasis.
Acid deposition
Precipitation with a pH less than 5.6 that forms in the atmosphere when certain pollutants mix with water vapor
Biomass conversion
the changer of organic matter that has been produced by photosynthesis into usful liquid, gas, or fuel
Decomposer
An organism, often microscopic in size, that obtains nutrients by consuming dead organic matter, thereby making nutrients accessible to other organisms; examples of decomposer include Fungi, scavengers, rodents, and other animals
Transportaiton system
A group of relaed parts that function together to proforme a major task in any form of transportation
Embryology
the branch of biology dealing with the development of living things from fertilized eggs to its develped state.
fact
information that has been objectively verifiede.
Geological Hazard
A naturally occuring condition or phenomenon that presents a risk or is a potentaial danger to life and property (e.g., landslides, floods, earthquakes, ground subsidence, coastel and beach erosion faulting, dam leakage and failure, Mining disasters, pollution and waste disposal, sinkholes).
Biochemical conversion
The changing of organic matter into other chemical form
pest
A label applied to an organism when it is in competion with humans for some resorses
Enzyme
A protein that increases the rate of a chrmical reaction without being changed by the the reaction; An organic catalyst.
Biomes
an enviromental factor related to or produced by living organisms
Manufacturing Tech
The ways that humans produce goods and products
Closed loop system
A group of related obrjects that have feedback and can modify themselves
Instructional Technology
any mechanical aid (including computer technology) used to assist in or enhance to process of teaching and learning
System
A group of related obthat work together to achieve a desired result.
Desalinization
to remove salts and other chemicals from sea or saline water
Incinerating
Burning to ashes; reducing to ashes
abiotic
a nonliving factor or element
ecosystem
A community of living organisms and their interrelated physical and chemical environment
Trophic Levels
The role of an organism in nutrient and energy flow
Sustainiabilty
the abilty tkeep in existence or mantain. A sustainable ecosystem is one that can be maintained.
Subsystem
A group of related objects that make up a larger system (Eg automobiles haved Eletric systems)
Topographic Map
A representaiton of a region on a sufficient scale to show detail, selected man-made, adn natural featured of a portion of the land surface including it's relife and certain physicals adn cultural feartures.
Endagered species
a species that is in danger of extinction throughout all or of a significant portion of its range
Point source pollition
Pollitants discharged from a single identifyable location
Stream order
Energy and nutrient flow that increases as water moves the ocanes(Eg, the smallest stream (primary) that ends wehn rivers flow into oceans).
Scale
Relates concepts and ideas to one another by some measurments (e.g, wuantitaitve, numaeal, abstract, ideological); provides a mesure of size and/or incremental change
Hypothesis
An assertion subject to verification or proof as a permise from which a conclusion is drawn
Ergonomical
ofor relating to the design or equipment or devices to fit teh human body's control, position, movment and enviroment.
Model
A description, analogy or representation of something that helps us understand it better (eg. a physical model)
Law
Summerizing statmetn of observed experimental facts that has been tested many times and is generally accepted as true.
Electronic Communication
system for the transmission of info using electronic technology (ie. Digital Cameras, cellular telephones, Internet, TV, Fiberobtics)
Closing the loop
a link in the circular chain of recycling events that promotes the use of porducts made with recycled materials.
Technology education
The tools, materials, processes adn eyetems to solve provlems and extend human capibilitys
Nonrenewable Resources
subtencese that once used cannot be replaced in a geological age
Tool
Any devise used to extend human including computer-based tools
Lotic
Relationg to or living in actively moving water
Shredder
Through chewing and/or grinding, maicroorgamims feed on non-woody coarse particualte matter, primarily leaves
Nonpoint source pollution
Contamination that originates form many locations that all discharge into a location (Eg. Lake, Stream, Area)
Open loop system
A group of related ovjects that do not have feedback adn cannot modify themselves
Lentic
Relating to or living still in water
Carbon chemistry
The science of the composition, structure, properties, and reactions of carbon based matter, especially of atomic and molecular systems; sometimes referred to as organic chemistry
Recycling
Collecting and reprocessing a resoursce or product to make into new products.
Construction technology
the ways that humans build structures on sites.
Extinction
the complete emlimination of a species from the earth
Inquiry
A systematic process for using knowledge and skills to acquire and apply new knowledge
Radioactive isotope
An atom that gices off nuclear radiation and has the same dumber of portons as another atom but diffrent nutrons,
waste stream
the flow of waste materials from generation collection and seperation to disposal
Information Technology
the technical means that humans create to store and transmit information

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