Standard #: SC.912.L.15.5


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Explain the reasons for changes in how organisms are classified.


General Information

Subject Area: Science
Grade: 912
Body of Knowledge: Life Science
Standard: Diversity and Evolution of Living Organisms -

A. The scientific theory of evolution is the fundamental concept underlying all of biology.

B. The scientific theory of evolution is supported by multiple forms of scientific evidence.

C. Organisms are classified based on their evolutionary history.

D. Natural selection is a primary mechanism leading to evolutionary change.

Date Adopted or Revised: 02/08
Date of Last Rating: 05/08
Status: State Board Approved

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Related Resources

Lesson Plans

Name Description
Shelly Sells Dichotomous Keys by the Seashore

Students will be create a dichotomous key to identify and group shells.

MIT BLOSSOMS - Classifying Animals by Appearance vs DNA Sequence In this Blended Learning lesson, students will learn how to make phylogenetic trees based on both physical characteristics and on DNA sequence. The lesson model includes a video of a scientist who co-facilitates the lesson with the teacher, a teacher's guide, the handouts students will need, and a transcript. The Blended Learning model combines online learning with classroom instruction, where world-class experts, such as scientists and mathematicians from around the world use video to help teachers deliver lessons, while ensuring the students and teacher actively engage in the lesson through activities and discussion.

Original Student Tutorial

Name Description
Classification using DNA

Learn how to explain differences in genetic and non-genetic classification methods. You should also know why genetic evidence is very powerful for understanding evolutionary relationships among organisms.

Text Resource

Name Description
Evolution Made Ridiculous Flightless Birds Over and Over

This informational text resource is intended to support reading in the content area. This article focuses on the evolution of ratites—large, flightless birds like the ostrich—and how they evolved to become flightless birds. New research shows that ratites evolved from common flying ancestors and that the evolutionary process occurred over and over again.

Student Resources

Original Student Tutorial

Name Description
Classification using DNA:

Learn how to explain differences in genetic and non-genetic classification methods. You should also know why genetic evidence is very powerful for understanding evolutionary relationships among organisms.



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