Biology Unit 9

Microorganisms: Viruses and Bacteria

8 Instructional Days - 5th 6 Weeks

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Big Idea:

Viral Structure and Reproduction / Bacteria and Archaea / Antibiotics and Immunizations

Student Expectations:

Priority TEKS

B.4A compare and contrast prokaryotic and eukaryotic cells

B.4C compare the structures of viruses to cells, describe viral reproduction, and describe the role of viruses in causing diseases such as human immunodeficiency virus (HIV) and influenza.

B.11A summarize the role of microorganisms in both maintaining and disrupting the health of both organisms and ecosystems

Focus TEKS

B.6A identify components of DNA, identify how information for specifying the traits of an organism is carried in the DNA , and examine scientific explanations for the origin of DNA

B.6E identify and illustrate changes in DNA and evaluate the significance of these changes

B.10A describe the interactions that occur among systems that perform the functions of regulation, nutrient absorption, reproduction, and defense from injury or illness in animals;

B.11B describe how events and processes that occur during ecological succession can change populations and species diversity.

Ongoing TEKS

B.1A demonstrate safe practices during laboratory and field investigations

B.2F collect and organize qualitative and quantitative data and make measurements with accuracy and precision using tools such as data-collecting probes, standard laboratory glassware, microscopes, various prepared slides, stereoscopes, metric rulers, balances, gel electrophoresis apparatuses, micropipettes, hand lenses, Celsius thermometers, hot plates, lab notebooks or journals, timing devices, Petri dishes, lab incubators, dissection equipment, meter sticks, and models, diagrams, or samples of biological specimens or structures

B.2G analyze, evaluate, make inferences, and predict trends from data

B.2H communicate valid conclusions supported by the data through methods such as lab reports, labeled drawings, graphic organizers, journals, summaries, oral reports, and technology-based reports

B.3D evaluate the impact of scientific research on society and the environment

B.3F research and describe the history of biology and contributions of scientists

Student Learning Targets:

  • I will identify the differences between Viruses and Bacteria
  • I will explain the steps and differences in Lytic and Lysogenic Infections
  • I will explain the differences between Eubacteria and Archaebacteria
  • I will demonstrate procedures for Gram Staining bacteria.
  • I will correctly identify bacterial strains using morphology.
  • I will demonstrate how to culture bacterial samples.
  • I will describe the different roles of Prokaryotes.
  • I will contrast the differences between Antibiotics and Immunizations.

Essential Questions:

  • How do viruses compare and differ from cells?
  • In what ways do viruses reproduce?
  • In what ways do viruses affect their host?
  • In what ways are types of microorganisms distinguished from each other?
  • In what ways do microorganisms affect the health of larger organisms?
  • In what ways do microorganisms affect the health of ecosystems?

Extra Information:

Adopted Textbook: Biology, Houghton Mifflin Harcourt, Holt McDougal

District Grading Policy

Texas Gateway Online Resource Center

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