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CSI: Olduvai Gorge. The Work of Jackson Njau
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This research profile follows paleoanthropologist Jackson Njau as he investigates ancient predators, like crocodiles and large cats, in an effort to understand how these organisms shaped the evolution of our human ancestors.

Subject:
Biology
Material Type:
Activity/Lab
Diagram/Illustration
Reading
Teaching/Learning Strategy
Provider:
National Center For Science Education
University of California Museum of Paleontology
Provider Set:
Understanding Evolution
Date Added:
05/17/2013
Cicada Cycles
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Cicadas spend years underground and come out once in a blue moon for a frenzy of activity. But certain broods come out like clockwork every 13 or 17 years. In this Science Update, you'll hear what's so special about these numbers.

Subject:
Biology
Ecology
Forestry and Agriculture
Material Type:
Activity/Lab
Lecture
Provider:
AAAS
Provider Set:
Science Netlinks
Date Added:
05/25/2008
Experiment with Ecosystems
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The goal of this activity is to give students the opportunity to “think like a scientist,” making hypotheses, doing experiments, making observations, and analyzing data. Students are encouraged to construct and conduct their own experiments with ecosystems comprising grass, rabbits, and up to two predator species: hawks and foxes. (Evolution Readiness Activity 10 of 10.)

Subject:
Life Science
Ecology
Forestry and Agriculture
Material Type:
Activity/Lab
Assessment
Data Set
Diagram/Illustration
Interactive
Lecture Notes
Lesson Plan
Provider:
Concord Consortium
Provider Set:
Concord Consortium Collection
Author:
The Concord Consortium
The National Science Foundation
Date Added:
12/11/2011
Mutation Telephone
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Students perform an activity similar to the childhood “telephone” game in which each communication step represents a biological process related to the passage of DNA from one cell to another. This game tangibly illustrates how DNA mutations can happen over several cell generations and the effects the mutations can have on the proteins that cells need to produce. Next, students use the results from the “telephone” game (normal, substitution, deletion or insertion) to test how the mutation affects the survivability of an organism in the wild. Through simple enactments, students act as “predators” and “eat” (remove) the organism from the environment, demonstrating natural selection based on mutation.

Subject:
Life Science
Biology
Material Type:
Activity/Lab
Provider:
TeachEngineering
Author:
Kent Kurashima
Kimberly Anderson
Matthew Zelisko
Date Added:
02/03/2017
Perspectives on Ocean Science: Sharks
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Sharks have inhabited the oceans for more than 400 million years. Join shark expert Jeffrey Graham as he describes the adaptations that have allowed these magnificent creatures to thrive over the millennia. Learn how shark biologists study shark physiology, life history, and behavior for insight into what allows these animals to rank among the worldŐs most efficient predators. (57 minutes)

Subject:
Biology
Zoology
Material Type:
Lecture
Provider:
U.C. San Diego
UCTV Teacher's Pet
Date Added:
03/12/2012
Studying Mammals: Life in the Trees
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David Attenborough looks at ͢__ëńlife in the trees͢__ë_ ˘: examining how species have evolved to cope with arboreal living. You will learn how lemurs, anteaters, bears and many others have developed different methods to help movement and survival.

Subject:
Zoology
Material Type:
Lecture
Reading
Syllabus
Provider:
The Open University
Provider Set:
Open University OpenLearn
Date Added:
10/24/2008