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| the atomic number refers to the number of |
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| all hydrogen atoms have the same number of |
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| a subatomic particle(s) which has/have no charge is/are |
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| the atomic or mass of an atom equals the |
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| number protons + neutrons |
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| the small negatively charge subatomic particles are the |
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| smallest portion of an element that retains the properties of that element |
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| atoms with the same atomic # but different mass # |
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| fundamental unit of matter |
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| which of the following are being considered by society as a valid declaration of death? brain death, permanent vegetative state, coma, all are, none are |
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| when labs select the of breed cattle or cotton that society wants and breeds them for those traits it is called |
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| most of the spontaneous changes in the dna or mutations occur are |
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| contains two or more living species and no abiotic component |
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| contains many species and abiotic factors |
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| contains only one species |
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| scientific names of life forms were written? in greek, english, french, roman, none of these |
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| when your car lights are reflected by a cow eyes, it is bouncing off which layer? |
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| the main problem with using special oil-eating bacteria to clean up oil spills is |
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| they can use up all the oxygen and kill other organisms |
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| the scientific fraud you read about in the news |
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| does occur because scientist are human |
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| used to scan for isotopes |
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| radiosotope of phosphorus |
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| the type of science used to investigate the biology of armadillos before we knew that they could be used to study leprosy is called |
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| the cell theory states that |
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| all living things made of cells and cells come from other cells |
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| the fundamental unit of life is the |
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| sex cells like sperms and eggs can be called |
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| DNA; contains instructions for building materials needed in living things, can be mutated, is transmitted from parents to offspring, all of these, none of these |
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| one concept that many evolutionists and creationists have in common is that life came from none living substances. that is termed |
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| energy in chemical compounds such as carbohydrates, lipids and proteins that is stored (and not being used) is called |
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| an organism that does not produce its own food and usually has to acquire it from surroundings is |
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| if the environment of a cell lacks oxygen, then it is |
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| the collection of chemical reactions involved in digestion that break down complex substances down into simpler ones are called |
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| the domain which includes the protists, fungi, plants & animals is |
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| the best term to describe the thin layer around the earth which is inhabited by life is the |
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| the gas that is released by plants during photosynthesis and goes into the atmosphere is |
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| the most abundant gas in our present atmosphere is |
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| the abnormal swallowing of food and liquids down the trachea instead of esophagus is termed |
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| the domain which contains the very simple extremophiles that can tolerate harsh envrionments is |
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| when the human heart has abnormal fluctuations & contractions of the upper heart chambers, it is called |
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| scientists are limited in their investigations because |
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| they can only investigate what their senses will allow |
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| this man was responsible for disproving the spontaneous generation hypothesis? |
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| which of the following are the proper steps (and in order) of the scientific method? |
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| observation, question, hypothesis, prediction, experiment, conclusion |
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| the word biology comes from two greek roots meaning |
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| living cells have many chemical reactions occurring in them. Collectively they are referred to as |
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| which of the following is true? life is dependednt on energy, energy is dependent on life, both are true, neither are true |
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| life is dependent on energy |
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| the goal(s) of science are; to understand natural phenomena, use future knowledge not yet gained t predict how other similar evets might occur, both A and B, neither |
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| to understand natural phenomena |
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| a main difference between prokaryotes and eukaryotes is that prokaryotes do not have |
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| DNA contained in a nucleus |
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| the young graduate student who designed an experiment in the lab to test some of the early ideas about the origin of life was; Linnaeus, Pasteur, Darwin, Redi, none of these |
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| glows a neon green under UV-light |
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| fast growing invasive plant introduced to SE US to control soil erosion |
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| only has females and no males in the population |
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| lizards in southwest texas |
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| alpha female can become a functioning male if the dominant male is removed |
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| the concept which suggests that we have no place to get rid of our garbage anymore is the |
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| the pit viper (rattlesnakes) example used in class during discussion of the scientific method demonstrated that |
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| we do not have the mental ability or power to understand the function of the pit |
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| the endosymbiotic theory suggests that |
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| chloroplasts were free-living organisms that were engulfed by another cell and become an organelle |
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| which of the following is (are) assumption(s) that scientists make before beginning an experiment? the universe is real, the mind of humans can comprehended teh world around them, the universe is consistent, every phenomenon is caused by something, all of these |
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| genetic changes passed on through time |
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| ability to maintain a constant internal environment |
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| energy cannot be created or destroyed |
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| first law of thermodynamics |
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| parasitism, fire, completion select breeding stock |
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| which of the following is not a property of life? organisms reproduce their own kind, living things exhibit complex but ordered organization, organisms respond to environmetal stimuli, organisims take in energy and use it to perform all of life's activities, populations of organisms are unable to change over time |
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| populations of organisms are unable to change over time |
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