Mini Quiz

• Choose the correct order of classification from most inclusive to most exclusive. 


  Domain-Kingdom-Phylum-Class-Order-Family-Genus-Species 
• Which listing correctly indicates a sequence of increasing biological organization?

  atom, molecule, cell
• The classification system most commonly used by biologists today contains five domains.

  You Answered

  False 
• Which of the following domains contains prokaryotes that are known for living in extreme environments?

   Archaea 
• A cell is to a tissue as an atom is to a 

  molecule 
• A researcher is interested in determining the average length and weight of loblolly pine tree needles in the southeast United States. Will the data be obtained through observation or experimentation?


   observation 
• The control group in an experiment receives all the same treatments as the experimental group(s), except for the one variable being tested.

  True 
• Living organisms are characterized by


   All of the choices pertain to living organisms 
• Which definition best describes a population?

  the members of a species in a given area 
• In the scientific method, what precedes the formation of the hypothesis?

   observation 
• Single-celled prokaryotes


   lack a membrane-bounded nucleus 
• Animalia


  multicellular organisms that ingest their foods
• Fungi


  multicellular organism that harvest from decaying matter
• Plantae


  multicellular, photosynthesis organism
• An atom's atomic mass is best described as the mass of

  protons and neutrons it contains. 
• A solution with a pH of 7.0 would be considered?

  netural 
• Which term refers to the attraction of water molecules to one another?

  cohesion 
• Select all that are considered subatomic particles:

  neutrons, protons, electrons, ions
• The mass number refers to the number of _____ and _____ within an element.

  protons; neutrons 
• Contains both carbon and hydrogen atoms

  Organic Molecules
• 4 classes of Organic molecules ( Biomolecules) exist in living organisms

  Carbohydrates, Lipids, Proteins, Nucleic Acids
• of the four biomolecules in the cell are diverse

  Function
• The carbon atom is small, with only _____ electrons

  6
• The carbon atom is small, with only 6 electrons: ___ in the first shell and ____ in the outer shell

  2 and 4
• Carbon can form ____ covalent bonds

  4
• The Carbon Atom bonds with Carbon, Nitrogen, Hydrogen, Oxygen, Phosphorus and Sulfur
• The Carbon chain of an organic molecules is called it's skeleton, or backbone
• Functional groups 


  are clusters of specific atoms bonded to the carbon skeleton with characteristic structures and functions
• Isomers 


  are organic molecules that have identical molecular formulas but different arrangements of atoms
• Organic molecules 


  contains carbon & Hydrogen