Carolina BioKits®: Cladograms and Evolution | Carolina.com

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Carolina BioKits®: Cladograms and Evolution

Item # 221042 Online Only Exclusive
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For a class of 32. Students use 2 lines of evidence to model evolutionary relationships. They examine the external anatomy of 5 preserved specimens and create a cladogram based on anatomical similarities. Next, they compare the amino acid sequence of the cytochrome c protein of each specimen to that of humans and construct a second cladogram based on these molecular similarities. Finally, they create a revised cladogram that considers both morphological characteristics and genetic information.

Price

$75.00

In stock and available to ship.

Use external features and DNA evidence to argue evolutionary relationships among a set of organisms.

PE: HS-LS4-1 Time Requirement: 3 45-minute Class Periods

SEP: Obtaining, Evaluating, and Communicating Information CCC: Patterns DCI: LS4.A: Evidence of Common Ancestry and Diversity

In this classroom kit, students use 2 lines of evidence to model evolutionary relationships. First, students examine the external anatomy of 5 preserved specimens, note external morphological similarities between the animals, and then create a cladogram based on anatomical similarities. Next, students compare the amino acid sequence of the cytochrome c protein of each specimen to this amino acid sequence in humans. Students then construct a second cladogram based on these molecular similarities. Using information from both exercises, they then create a revised cladogram that considers both morphological characteristics and genetic information.

Kit is designed for a class of 32 students working in groups of 4 and includes 2 of each preserved specimen (grasshopper, crayfish, perch, frog, and rat), comprehensive teacher's manual with reproducible student guide, and FREE 1-year access to digital resources that support 3-dimensional instruction.

This kit builds toward the following Performance Expectation:
• HS-LS4-1.
Communicate scientific information that common ancestry and biological evolution are supported by multiple lines of empirical evidence.

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Components Qty Included?
Carolina's Perfect Solution® Crayfish 2 Included
Carolina's Perfect Solution® Grasshoppers 2 Included
Carolina's Perfect Solution® Frogs 2 Included
Carolina's Perfect Solution® Rats 2 Included
Preserved Perch 2 Included
Self-Locking Storage Bags 10 Included
Carolina Science Online® Resources (1-year subscription) 1 Included
Teacher's Manual with Reproducible Student Guide 1 Included
Rulers or Straightedges 32 Needed, Not Included
Highlighters 16 Needed, Not Included
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