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Allopatric Speciation
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Educational Use
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These images from the Smithsonian Institution depict Nancy Knowlton's work with snapping shrimp in Panama. Knowlton found that the closing of the isthmus -- dividing the Pacific Ocean from the Caribbean -- resulted in new species of shrimp.

Subject:
Life Science
Material Type:
Diagram/Illustration
Reading
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
09/26/2003
American Chestnut Tree
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Educational Use
Rating

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 blight-resistant trees.

Subject:
Life Science
Ecology
Forestry and Agriculture
Genetics
Material Type:
Interactive
Reading
Provider:
Kentucky Educational Television
PBS LearningMedia
Provider Set:
Teachers' Domain
Author:
KET
The William and Flora Hewlett Foundation
Date Added:
08/25/2008
Animal Cell Meiosis Animation
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Meiosis is important in assuring genetic diversity in sexual reproduction. Use this interactive animation to follow Meiosis I (reduction division) and Meiosis II in a continuous sequence or stop at any stage and review critical events.

Subject:
Education
Life Science
Material Type:
Interactive
Lesson Plan
Provider:
SMARTR
Provider Set:
SMARTR: Virtual Learning Experiences for Youth
Date Added:
11/06/2010
Animal Cell Mitosis Animation
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Rating

This animation demonstrates the stages of mitosis in an animal cell. Use the control buttons in the upper left to run the complete animation. Click on any intermediate stage (for example, Anaphase), and see a representative still frame.

Subject:
Education
Life Science
Material Type:
Interactive
Provider:
SMARTR
Provider Set:
SMARTR: Virtual Learning Experiences for Youth
Date Added:
11/06/2010
Asexual Reproducers
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Educational Use
Rating

This video segment explores the benefits and pitfalls of cloning as a means of reproduction. From Evolution: "Why Sex?"

Subject:
Life Science
Material Type:
Activity/Lab
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
Clear Blue Sky Productions
National Science Foundation
WGBH Educational Foundation
Date Added:
09/26/2003
Biology
Unrestricted Use
CC BY
Rating

Biology is designed for multi-semester biology courses for science majors. It is grounded on an evolutionary basis and includes exciting features that highlight careers in the biological sciences and everyday applications of the concepts at hand. To meet the needs of today’s instructors and students, some content has been strategically condensed while maintaining the overall scope and coverage of traditional texts for this course. Instructors can customize the book, adapting it to the approach that works best in their classroom. Biology also includes an innovative art program that incorporates critical thinking and clicker questions to help students understand—and apply—key concepts.

Subject:
Life Science
Biology
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
08/22/2012
Biology, Animal Structure and Function, Animal Reproduction and Development, Reproduction Methods
Conditional Remix & Share Permitted
CC BY-NC
Rating

By the end of this section, you will be able to:Describe advantages and disadvantages of asexual and sexual reproductionDiscuss asexual reproduction methodsDiscuss sexual reproduction methods

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
Biology, Evolutionary Processes, Evolution and the Origin of Species, Formation of New Species
Conditional Remix & Share Permitted
CC BY-NC
Rating

By the end of this section, you will be able to:Define species and describe how species are identified as differentDescribe genetic variables that lead to speciationIdentify prezygotic and postzygotic reproductive barriersExplain allopatric and sympatric speciationDescribe adaptive radiation

Subject:
Applied Science
Life Science
Biology
Material Type:
Module
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
07/10/2017
The Cell Cycle Animation
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Rating

During development from stem to fully differentiated, cells in the body alternately divide (mitosis) and "appear" to be resting (interphase). This sequence of activities exhibited by cells is called the cell cycle. Watch this animation to learn more about each of the stages in the cell cycle: interphase, gap 0, gap 1, S Phase, gap 2, and M phase.

Subject:
Education
Life Science
Material Type:
Diagram/Illustration
Interactive
Lesson Plan
Provider:
SMARTR
Provider Set:
SMARTR: Virtual Learning Experiences for Youth
Date Added:
11/06/2010
CreatureCast – Doliolids
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating

Robert Sandler tells the story of doliolid reproduction. The video was made with paper puppets and hand-drawn animations. Robert made this episode with support from the Society of Royce Fellows.

Subject:
Biology
Zoology
Material Type:
Lecture
Provider:
Dunn Lab at Brown University
Provider Set:
CreatureCast
Author:
Robert Sandler
Date Added:
09/08/2012
Dance of Development
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Educational Use
Rating

Watch the dance of development as a zebrafish egg divides and differentiates on its way to becoming an embryo in this interactive activity adapted from the Exploratorium.

Subject:
Life Science
Functions
Material Type:
Activity/Lab
Interactive
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
08/09/2007
Dolphin Reproductive Behavior
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Educational Use
Rating

This video segment from the Science and Technology Chat series focuses on dolphin pregnancy, birth, and care of the young, and features Atlantic bottlenose dolphins living in captivity at the Mirage Resort Dolphin Habitat.

Subject:
Life Science
Ecology
Forestry and Agriculture
Material Type:
Lecture
Provider:
PBS LearningMedia
Vegas PBS
Provider Set:
Teachers' Domain
Author:
The William and Flora Hewlett Foundation
VegasPBS
Date Added:
09/09/2008
Endocrine Disruptor Hypothesis
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Educational Use
Rating

Scientists discuss whether or not endocrine disrupting chemicals, which may cause birth defects and other health concerns, should be controlled in the absence of conclusive proof, in this video segment adapted from FRONTLINE: Fooling with Nature.

Subject:
Life Science
Ecology
Forestry and Agriculture
Material Type:
Lesson
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Author:
NIEHS
WGBH Educational Foundation
Date Added:
03/02/2011
Fruit Wrappers
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Educational Use
Rating

In this video from Curious George, join students as they investigate banana peels and fruit seeds to discover their different functions.

Subject:
Life Science
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
Author:
National Science Foundation
WGBH Educational Foundation
Date Added:
08/09/2007
General Biology with Lab (BIOL 160)
Unrestricted Use
CC BY
Rating

General Biology is intended to leave the student with an integrated view of the living world including the nature of sciences, evolution of biological organization, composition and organization of living substances, metabolism, control, reproduction, heredity and ecological relationships. This class meets the A.A. degree lab science requirement in the State of Washington.Login: guest_oclPassword: ocl

Subject:
Biology
Material Type:
Activity/Lab
Full Course
Homework/Assignment
Lecture Notes
Lesson Plan
Reading
Syllabus
Provider:
Washington State Board for Community & Technical Colleges
Provider Set:
Open Course Library
Date Added:
10/31/2011
The Geniverse Lab Demo
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Rating

The Geniverse software is being developed as part of a five-year research project funded by the National Science Foundation. Still in its early stages, a Beta version of the software is currently being piloted in six schools throughout New England. We invite you to try the current Beta version, keeping in mind that you may encounter errors or pages that are not fully functional. If you encounter any problem, it may help to refresh or reload the web page.

Subject:
Life Science
Genetics
Material Type:
Activity/Lab
Data Set
Game
Interactive
Student Guide
Provider:
Concord Consortium
Provider Set:
Concord Consortium Collection
Author:
The Concord Consortium
Date Added:
12/11/2011