ALEX Classroom Resources

   View Standards     Standard(s): [SC2015] BIOL (9-12) 13 :

13 ) Obtain, evaluate, and communicate information to explain how organisms are classified by physical characteristics, organized into levels of taxonomy, and identified by binomial nomenclature (e.g., taxonomic classification, dichotomous keys).

a. Engage in argument to justify the grouping of viruses in a category separate from living things.

In this lesson, students explore how scientists classify living organisms, then gather information about five of the main categories of microbes: bacteria, viruses, fungi, protozoa, and algae, and contrast the term microbes with systems of scientific classification to show how it is distinct and that microbes are found across the tree of life.