Khan Academy
Khan Academy: Polygenic Inheritance and Environmental Effects
Learn about traits that are controlled by multiple genes and/or influenced by the environment. Understand penetrance and expressivity.
Texas Instruments
Texas Instruments: Selection Direction
In this activity you will produce histograms using the Data Graphs Wizard and learn about the concept of biological variance.
University of California
Understanding Evolution: Mechanisms: The Processes of Evolution
Examine the six major mechanisms of evolution and evolutionary processes.
McGraw Hill
Glencoe Biology: Gene Linkage and Polyploidy: Self Check Quiz
This self-checking, five question quiz over gene linkage and polyploidy can be used as a review of the concept.
Khan Academy
Khan Academy: Sexual Life Cycles
Tutorial takes a look at the three types of sexual life cycles used by different organisms: diploid-dominant, haploid-dominant, and alternation of generations.
CK-12 Foundation
Ck 12: Biology: Non Mendelian Inheritance
[Free Registration/Login may be required to access all resource tools.] Introduction to non-Mendelian inheritance.
BioMan Biology
Bio Man Biology: Snurfle Islands
Create a Snurfle and see whether it can survive in different environments. As you play the game, you will learn about natural selection and animal adaptations. At the end of the game, try the multiple-choice quiz to check your...
The Wonder of Science
The Wonder of Science: Ms Ls4 4: Natural Selection
Work samples, phenomena, assessment templates, and videos that directly address standard MS-LS4-4: natural selection.
CK-12 Foundation
Ck 12: Biology: Reproduction and Meiosis Study Guide
Use this review guide to understand cell-reproduction and meiosis.
Other
Barcode of Life Data Systems (Bold)
The Barcode of Life Data Systems is the depository of DNA barcode information and specimens. While there is not actually much here for teachers or students to use, it is interesting to read about the work and how much has been collected...
BiologyWise
Biology Wise: Incomplete Dominance Examples
Explains what incomplete dominance is in heredity, and what it looks like in plants, animals, and humans.
Palomar Community College District
Palomar College: Hardy Weinberg Principle
This site from Palomar College describes the conditions needed for theHardy-Weinberg Principle to hold true.Completes sample calculations involvingthis principle.
PBS
Pbs Learning Media: American Chestnut Tree
This annotated slideshow adapted from KET's Electronic Field Trip to the Forest illustrates how blight decimated the American chestnut tree and the methods scientists use to identify and pollinate the remaining trees to create...
Other
Human Ecology and Human Adaptability
Describes eccrine and apocrine glands and relates them to heat tolerance. Also includes some information on sebaceous glands.
CK-12 Foundation
Ck 12: Life Science: Importance of Biodiversity
[Free Registration/Login may be required to access all resource tools.] Biodiversity is a measurement of the amount of variation of the species in a given area. More specifically, biodiversity can be defined as the variety of life and...
University of California
University of California Museum of Paleontology: Distribution in Time and Space
The Understanding Evolution site provides evidence for evolution in biogeography utilizing relative dating, geography, and plate tectonics.
Curated OER
Smithsonian Nmnh: What Does It Mean to Be Human, Human Evolution Evidence
What does it mean to become human? This brilliant and detailed resource examines early man's behavior, including information on stone tools he used, burial, clothing, and shelter. Find information on genetics including human skin color...
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