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View Resource What are the Impacts of Introduced Species?

In this Issue, students will examine published data that address the ecological consequences of introduced species. Activities engage students in data analysis and hypothesis testing, and will...

View Resource Testing Hypotheses about Herbivore Responses to Plant Vigor and Herbivore Impact on Plant Reproduction

In this laboratory exercise, students examine hypotheses about the interactions between goldenrod plants and the gall-forming insects that feed on them. Students collect and analyze data to determine...

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 Sheep (Ovis aries) graze on a ridge at sunset in front of the Qilian Mountain Range in the northeastern region of the Tibetan Plateau.

Sheep graze on a ridge at sunset in front of the Qilian Mountain Range in the northeastern region of the Tibetan Plateau. A recent study investigated the effects of experimental warming and simulated...

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View Resource A Bearded Vulture (Gypaetus barbatus), a threatened species.

The Bearded Vulture (Gypaetus barbatus) is a threatened species. Many conservation programs aim to increase population size by improving survival and reproduction; however, density dependence may...

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