Life On Earth Exam 1

24 Questions | Total Attempts: 131

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Earth Quizzes & Trivia

Quiz for Life on Earth class at University of Arizona.


Questions and Answers
  • 1. 
    Components of conceptual, numerical and analog models can include:
    • A. 

      Inputs, outputs, feedbacks and boundary conditions

    • B. 

      Miniature versions of a system

    • C. 

      Natural tests

    • D. 

      Qualitative objectives, flows and fluxes

    • E. 

      Values derived from open systems

  • 2. 
    What is a natural collection of interacting components that function together in a quantifiable manner?
    • A. 

      Hypotheses

    • B. 

      Laws

    • C. 

      Models

    • D. 

      Systems

    • E. 

      Theories

  • 3. 
    If you took your temperature 10 times and got the exact same result each time, your data is
    • A. 

      Accurate

    • B. 

      A fact

    • C. 

      A theory

    • D. 

      Precise

    • E. 

      True

  • 4. 
    Which of the following is a gauge of how well a measurement matches the "true" value?
    • A. 

      Accuracy

    • B. 

      Precision

    • C. 

      Probability

    • D. 

      Repeatability

    • E. 

      Stability

  • 5. 
    Atoms are made of the following EXCEPT
    • A. 

      Electrons

    • B. 

      Molecules

    • C. 

      Protons

    • D. 

      Neutrons

  • 6. 
    Nucleic Acids are the building blocks of
    • A. 

      Atoms

    • B. 

      DNA

    • C. 

      Fat

    • D. 

      Protein

    • E. 

      Starches

  • 7. 
    Elements that have less than or more than the normal number of neutrons are
    • A. 

      Ions

    • B. 

      Isotopes

    • C. 

      Metals

    • D. 

      Nucleic

    • E. 

      Radioactive

  • 8. 
    Starches are biopolymers of
    • A. 

      Amino acids

    • B. 

      Fatty acids

    • C. 

      Nucleotides

    • D. 

      Sugars

    • E. 

      Waxes

  • 9. 
    A circular ring of DNA found in some bacteria is called a:
    • A. 

      Ligase

    • B. 

      Organelle

    • C. 

      Plasmid

    • D. 

      Restriction enzyme

    • E. 

      RNA

  • 10. 
    Methanogens and Extremophiles two examples of:
    • A. 

      Animalia

    • B. 

      Archaea

    • C. 

      Bacteria

    • D. 

      Protista

    • E. 

      Vertibrata

  • 11. 
    The chromatids separate & migrate to opposite ends of the cell during what phase of mitosis?
    • A. 

      Anaphase

    • B. 

      Metaphase

    • C. 

      Interphase

    • D. 

      Prophase

    • E. 

      Telophase

  • 12. 
    The "genotype" of an organism is its:
    • A. 

      Homozygous dominant

    • B. 

      Genetic make-up

    • C. 

      Punnet Square

    • D. 

      Appearance

    • E. 

      Heterozygous

  • 13. 
    The haploid number of human chromosomes is:
    • A. 

      13

    • B. 

      16

    • C. 

      23

    • D. 

      42

    • E. 

      46

  • 14. 
    Cell membranes of bacteria and eukaryotes primarily consist of
    • A. 

      Carbohydrate bilayer and proteins

    • B. 

      Carbohydrate bilayer and proteins

    • C. 

      Lipid bilayer and proteins

    • D. 

      Protein bilayer and lipids

    • E. 

      Ribonucleotide bilayer and lipids

  • 15. 
    Viruses are like living organisms in that they can by themselves undergo
    • A. 

      Energy transfer

    • B. 

      Evolution

    • C. 

      Locomotion

    • D. 

      Homeostasis

    • E. 

      Reproduction

  • 16. 
    What are well-tested and generally accepted patterns in nature
    • A. 

      Hypotheses

    • B. 

      Laws

    • C. 

      Models

    • D. 

      Systems

    • E. 

      Theories

  • 17. 
    What are representations of systems that can be use to simulate or test hypothesis about those systems
    • A. 

      Hypotheses

    • B. 

      Laws

    • C. 

      Models

    • D. 

      Systems

    • E. 

      Theories

  • 18. 
    An accepted well-tested explanation for how nature works is a/an ___
    • A. 

      Experiment

    • B. 

      Hypothesis

    • C. 

      Law

    • D. 

      Theory

    • E. 

      Observation

  • 19. 
    What is the primary goal of science?
    • A. 

      To develop superior technology

    • B. 

      To observe natural phenomena

    • C. 

      To prove the truth

    • D. 

      To publish new ideas

    • E. 

      To understand observable facts

  • 20. 
    Proteins are biopolymers of
    • A. 

      Amino acids

    • B. 

      Fatty acids

    • C. 

      Nucleotides

    • D. 

      Sugars

    • E. 

      Waxes

  • 21. 
    "Sexually reproducing organism that produces live, fertile offspring," is a definition for a 
    • A. 

      Eukaryote

    • B. 

      Gamete

    • C. 

      Genus

    • D. 

      Prokaryote

    • E. 

      Species

  • 22. 
    In most mammals, females are homozygous for sex chromosomes. In birds, females are
    • A. 

      Haploid

    • B. 

      Homozygous

    • C. 

      Heterozygous

    • D. 

      Incubated at a lower temperature

    • E. 

      Parthenogenic

  • 23. 
    Nutrients are the elements and componds that organisms need to live, grow and reproduce. These nutrients cycle through the air, water, soil, rock and living organisms in __________ cycles.
    • A. 

      Biogeochemical

    • B. 

      Astronomical

    • C. 

      Isotopic

    • D. 

      Elemental

    • E. 

      Orbital

  • 24. 
    Cells that have organelles are called
    • A. 

      Archaea

    • B. 

      Bacteria

    • C. 

      Eukaryotes

    • D. 

      Prokaryotes

    • E. 

      Viruses

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