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Life science discipline (subject) is Ecology
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View Resource The Floristic Relay Game: A Board Game to Teach Plant Community Succession and Disturbance Dynamics

This game introduces students to the concept of succession and plant community dynamics. Students learn that plant communities are dynamic (they change over time and space), and that these changes...

View Resource The influence of Acidification on Ammonification

This experiment examines the influence of moderate (pH 5.5) to extreme (pH 3.5) sulfuric acid-induced acidification on the ability of soil microorganisms to conduct ammonification. Two common soil...

View Resource The Insect Predation Game: Evolving Prey Defenses and Predator Responses

In this activity, learn about predator-prey interactions by pretending to be generalist insect predators foraging for three prey species (candy). Three feeding adaptations are used (mandibles,...

View Resource The Invasive Grass-Fire Cycle in the U.S. Great Basin

Students will exercise critical thinking skills to form a hypothesis on how cheatgrass alters fire behaviors. Students will analyze data and answer questions based on their interpretation of...

View Resource The Kuparuk River, an arctic stream ecosystem on the North Slope of Alaska.

The Kuparuk River flows to the Arctic Ocean from the foothills of the Brooks Range, seen to the south in the background. The Kuparuk River was experimentally enriched with phosphorus every summer...

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View Resource The National Image Library

The National Image Library contains the U.S. Fish and Wildlife Service's online collection of public domain still photographs. The searchable database contains still photo images of wildlife, plants...

View Resource The partitioning of evapotranspiration into evaporation and transpiration: an experimental design assessing the effects of changes in vegetation cover

This project seeks to improve the studentís understanding of the terrestrial water budget by exploring the dynamics of one of its major components: evapotranspiration, a process that includes the...

View Resource The Poppy Paradox and Novel Derivation for the Demographic Conditions Favoring the Evolution of Semelparity

This article derives the semelparity model in a novel, more intuitive manner.

View Resource The red rock crab (Cancer productus) with the shell of a prey species, the native littleneck clam (Protothaca staminea).

The red rock crab (Cancer productus) is a predator of intertidal clams along the Pacific coastlines of northwestern United States and British Columbia. The crab is shown with the shell of a prey...

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View Resource The rocky intertidal at Santa Cruz Island, California.

Mussels in the rocky intertidal experience rapid fluctuations in aerial body temperature during low tide. Because of variability in tidal and climatic regimes, geographic gradients in body...

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