bio midterm

• what is science?


  a systematic way of studying a topic based upon curiosity
• science is a way of _______________, ________________, and __________________

  thinking, questioning, and gathering evidence
• pure science


  knowledge for the sake of knowledge
• applied science


  practical use of knowledge
• biology


  study of life
• abiogenesis vs biogenesis


  competing theories of how life started
• abiogenesis


  life comes from nothing (spontaneous generation)
• biogenesis


  life comes from life
• biotic factors


  living organisms in an area
• abiotic factors


  nonliving things that affect an area
• the scientific method steps

  define the problem, collect information, create a hypothesis, conduct an experiment, observe collect and record data, draw a conclusion, theory, scientific law
• experiments allow scientists to . . .

  describe a phenomenon
• a theory explains . . .


  a wide range of observations and experimental results
• a theory is supported by . . .

  a wide range of scientific evidence
• a theory can change based on . . .

  new evidence
• scientific law


  description of an observed phenomenon
• discovery science


  uses verifiable observations and measurements to describe science
• hypothesis based science


  uses data from discovery science to explain science
• hypothesis based science requires . . .

  proposing and testing hypotheses
• what is a scientist?


  a person who looks at the world with a sense of curiosity
• quantitative research


  results are in number form
• qualitative research


  results are descriptive
• inductive reasoning


  hypothesis which started from a set of facts and is applied to a general rule
• deductive reasoning


  hypothesis that is based on a general rule and is applied to a specific case
• experimental control


  the standard, all conditions are kept the same for all test subjects except the tested variable
• experimental group


  test group, all conditions are kept the same except for the specific condition that is being tested
• the dependent variable is the ____________ variable

  measured
• the independent variable is the ____________ variable

  manipulated
• the ____________ variable affects the ______________ variable

  independent - dependent
• the dependent variable is the condition that . . .


  will happen no matter what during an experiment
• the independent variable is the condition that . . .


  is changed
• ethics


  study of standards of what is right and wrong based upon the opinions of society
• life's levels of organization define . . .

  the scope of biology
• levels of organization


  atom, molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere
• cell perspective


  atom, molecule, organelle, cell
• organism perspective


  tissue, organ, organ system, organism
• global perspective


  population, community, ecosystem, biosphere
• atom


  smallest part of an element
• atoms are made up of . . .

  protons, neutrons, and electrons
• molecule


  smallest part of something that still has substance