Nebraska Science K -12

Collaboration of Nebraska science educators.
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HS Life Science Resources

What Is Biodiversity?

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Biodiversity is the spectacular variety of life on Earth and the essential interdependence among all living things. Students begin to learn about the term biodiversity at its most basic level. On their first field trip, students observe a natural space and report on what they see. They also begin to see the need for keeping written records and how to make scientific observations of their site. A series of optional mapping activities are presented that develop the skills required to create detailed and representational maps derived from observations and data.

Material Type: Activity/Lab, Lesson Plan, Unit of Study

The Human Genome Project - The Use of Genetic Screening Technology

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This unit includes one week of lessons which immediately follow the Genetics and DNA units. The previous knowledge gained from these units, as well as a previous project where students researched and shared with their classmates a specific genetic disorder, will provide the background for students to participate in a debate about the ethical issues of applying information available through the Human Genome Project (HGP).

Material Type: Reading, Unit of Study

Authors: Ethel Gaides, Emelia Fleck, Beverly Tedeschi

Investigating a Deep Sea Mystery

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Investigating a Deep Sea Mystery is based on Deep-sea mystery solved: astonishing larval transformation and extreme sexual dimorphism unite three fish families by Johnson, et al. (2009)* published in Biology Letters, Royal Society. The deep sea fishes at the heart of the investigation and this activity were historically classified into three families or clades based on the obvious morphological differences between the members of each group. Over time, as new data was accumulated, a new hypothesis was generated; the three fish clades were really one. Johnson, et al. found patterns in collection data that supported an alternative relationship; that they are the males, females, and larvae of a single family or clade, and that the morphological differences are the result of extreme ontogenetic (developmental) metamorphosis and sexual dimorphism. In this activity students follow the steps of the science team to unravel the mystery of the fishes' classification by analyzing some of the same morphological and phylogenetic data as the science team.

Material Type: Activity/Lab, Lesson Plan, Unit of Study

Author: Jennifer Collins

Keepers of the Gate

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Through two lessons and five activities, students explore the structure and function of cell membranes. Specific transport functions, including active and passive transport, are presented. In the legacy cycle tradition, students are motivated with a Grand Challenge question. As they study the ingress and egress of particles through membranes, students learn about quantum dots and biotechnology through the concept of intracellular engineering.

Material Type: Unit of Study

Author: Melinda M. Higgins

Unit 5: Evolution

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For this unit plan, see the old unit calendar (link on left sidebar, click ALT5 tab at the bottom).  Once we update this unit to the new Doc template, we will post it here. This is now unit 5, but it used to be unit 6 (we will update file and folder numbering as we continue to revise the units). Thanks for your patience as we work hard this year to update all of the materials to the new unit template and unit/standards arrangements.

Material Type: Unit of Study