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Campbell Biology Seventh Edition Chapter 1 Reveiw Flashcards

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911521791BiologyThe study of life.0
911521792Orderthe highly ordered structure that typifies life; ex. cells1
911521793Reproductionthe ability of organisms to reproduce2
911521794Growth and Developmentconsistent growth and development, controlled by inherited DNA3
911521795Energy Processingthe use of chemical energy to power an organism's activities and chemical reactions; ex. metabolism4
911521796Response to Enviromentresponding to the enviroment5
911521797Regulationan ability to control an organisms internal enviroment within limits that sustain life; homeostasis6
911521798Evolutionary Adaptationnatural selection and passing adaptations to offspring7
911521799Biosphereall the enviroments on earth that support life8
911521800Ecosystemall of the organisms living in a particular area and the physical components with which the organisms intreract9
911521801Communitythe entire array on organisms living in a particular ecosystem10
911521802Populationall the individuals of a species living in a particular area11
911521803Organisman individual living thing12
911521804Organ systemseveral organs cooperating in a scecific function13
911521805Organa structure that is composed and that provides a specific function for the organism14
911521806Tissuesa group of cells that perform a specific function15
911521807Cellfundamental unit of life16
911521808Organellemembrane bound structure that performs a function in a cell17
911521809Moleculecluster of atoms held together by a chemical bond18
911521810What are emergent properties?New properties that arise in each step from the arrangement and interactions among component parts.19
911521811Cells are the level at which the properties of life emerge....20
911521812A cell can________1. regulate its internal enviroment 2. take in and use energy 3. respond to its enviroment 4. develop and maintain its complex organization 5. give rise to new cells21
911521813All cellsare enclosed by a membrane and regulate the passage of materials between the cell and the surrounding enviroment.22
911521814Prokaryotic cellswere the first cells to evolve, are simpler and much smaler than eukaryotic cells; ex. bacteria and archea23
911521815Eukaryotic cellscontain a membrane enclosed organelles, are found in plants, animals, and fungi; has a nucleus24
911521816Cells illustrate another theme in biology:the correlation of structure and function.25
911521817Structure is related to _____ at all levels of biological organization.function26
911521818Living organisms interact with their enviroments, which include- other organisms - physical factors27
911521819In most ecosystems- plants are the producers that provide the food -consumers eat plants and other animals -decomposers act as recyclers, changing matter into simpler mineral nutrients28
911521820The dynamics of ecosytems include the major process:1. The recycling of the chemical nutrients from the atmosphere and soil through producers, consumers, and decomposers back to the enviroment. 2. The one way flow of energy through an ecosystem, entering as sun light, converted to chemical energy, by producers, passed on to consumers, and exiting as heat.29
911521821All cells have DNA, the chemaical substance of genes....30
911521822Genes- the unit of inheritance that transmits information from parents to offspring - are grouped into very long DNA molecules called chromosomes - control the activities of a cell31
911521823A species genes are coded in the sequences of the four building blocks making up DNA's double helix. ex ATCG- All forms of life use essentially the same code to translate the info. stored in DNA in the proteins. - The diversity of life arises from the difference in DNA sequences.32
911521824Taxonomynames species and classifies them into a system of broader groups33
911521825The three domains areBacteria, archea, and eukarya34
911521826Bacteriathe most diverse and widespread prokaryotes35
911521827Archeaprokaryotes that often live in earth's extreme enviroments36
911521828Eukaryahave eukaryotic cells - single-celled protists - multi-cellular animals, fungi, and plants37
911521829What does evolution account for?Evolution acccounts for life's dual nature of kinship and diversity38
911521830Natural selectiona mechanism for evolution39
911521831Natural selection was infered by connecting two observations.....1. Individuals in a population vary in their traits, many of which are passed on from parents to offspring. 2. A population can produce far more offspring than the enviroment can support.40
911521832Science is derived from the Latin verb meaning"to know"41
911521833Inductive reasoningto draw general conclusions from many observations42
911521834Deductive reasoningto come up with ways to test a hypothesis43
911521835Hypothesisa proposed explanation for a set of observations44
911521836A theory is- much broader in scope than a hypothesis - usually general enough to generate many new, specific hypotheses - supported by a large and usually growing body of evidence45
911521837hypothesis must betestable and falsifiable46
911521838An actual research project demonstratesthe process of science47
911521839Science seeks natural causes for natural phenomena.- The scope of science is limited to the study of structures and the process that we can directly observe and measure. - Hypotheses about supernatural forces or explanations are outside the bounds of science, because they generate hypotheses that cannot be tested by science.48
911521840The goal of science is to understand _______natural phenomena49
911521841The goal of technology isto apply scientific knowledge for some specific purposes50
911521842Science and technology areinterdependent51
911521843Technological advances stem from scientific research....52
911521844Research benefits from new technologies....53
911521845Evolutionary theory is useful inagriculture, medicine, forensics, consevation54
911521846Human-caused enviromental changes are powerful selective forces that effect the evolution of many species, including- antibiotic-resistant bacteria - pesticide-resistant pests - endangered species - increasing rates of extinction55

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