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Biological Classification

View Resource Connecting Concepts: Interactive Lessons in Biology: Genetics:Biotechnology

In this lesson, you'll apply nearly everything you have learned so far in genetics to develop a genetically modifiied canola plant. This virtual project will give you an opportunity to learn some steps in genetic engineering without actually entering a lab!
View Resource Dogs Keep Their Genes on a Short Leash

Great Danes stretch more than a meter from paw to shoulder and can easily weigh more than 90 kilograms. A Chihuahua fits snugly inside a purse. Domestic dog breeds are more varied in body size and shape -- not to mention coat color and fur length -- than any other land-based mammal. Yet, according to a new study, a mere two to six regions in doggy DNA account for most of this diversity.
View Resource Green Sea Slug is Part Animal, Part Plant

This article describes the first truly photosynthetic animal reported; the Green Sea Slug. Cells in its digestive tract hijacks chloroplasts from algae it feeds on, preserve functionality of these chloroplasts in slug cells, and produce food by photosynthesis. Moreover, some genes important for maintaining photosynthetic function of these hijacked chloroplasts are believed to have transferred...
View Resource Judgment Day: Intelligent Design on Trial, Chapter 2

Chapter 2 of the video gives a history of Darwin's work in the two decades previous to writing his book "On the Origin of Species" in 1859. His voyage to the South American Galapagos Islands is recalled, where he marveled over hundreds of specimens of plants and animals. He was particularly interested in the birds of the islands and their varying characteristics. Upon his return to England he...
View Resource Phylogenetic Systematics, a.k.a. Evolutionary Trees

This website introduces background knowledge of phylogenetic trees, and then provide a guideline for tree construction. Then, by following the guideline, it gives an example of tree construction. This website further demonstrates how to use phylogenetic trees. Description from the website: In this tutorial, we'll cover: 1. How to read an evolutionary tree 2. How to classify...
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