This article describes recently added content to Codon Learning
2026 Content Releases
April 20, 2026: Introducing the Life Sciences - added Invertebrate Animal Diversity topic
We’ve had many requests to open this can of worms! The new invertebrate animal diversity topic examines the characteristics of relationships between the major lineages of invertebrate animals. Scott Freeman authored a new Readiness Reading loaded with fun images. The Readiness Reading is accompanied by nineteen new post-class assessments and three new in-class activities. To help students connect diversity to other topics, two of the in-class activities focus on the evolution of key characteristics.
April 13, 2026: Introducing the Life Sciences - added Vertebrate Animal Diversity topic
Along with invertebrates, Scott also authored a Readiness Reading for vertebrate animal diversity, examining characteristics of and relationships between the vertebrates. This new topic also includes 25 post-class assessment and two in-class activities, one of which helps students connect ecology and conservation to traits of specific vertebrate groups.
March 25, 2026: Introducing the Life Sciences - added Virus Diversity assessments
We’ve also added six new post-class assessments to viruses! These multiple-choice assessments focus on the Learning Objective "Explain why viruses are considered obligate intracellular parasites, and why viral diseases are difficult to treat with drugs."
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