Saving Habitat

Will human population growth always be exponential, or will we find a limiting factor we can't avoid? Young scientists learn about both exponential and logistic growth models in various animal populations. They use case studies to...

Wolves eat better when the bunny population increases, but how long does that last? A series of 12 biology lessons uses the sixth installment to explore the predator-prey relationship between bunny and wolf populations. Young scientists...

The living environment, from the interior of a cell to the complex relationships among populations, are queried in this final examination. Learners look at air pollution maps, diagrams of cells, population graphs, and drawing of cells....

Dinnertime on the African savanna is a highly choreographed event! Introduce young ecologists to the concept of niche partitioning through a hands-on activity. Pupils research animal behaviors and use data to develop an understanding of...

Students focus on the pelts of fur-bearing animals native to Iowa to discover their different adaptations.  In this animal adaptation lesson, students work in groups and examine various pelts to find information about the animals habitat...

The 2005 version of the Regents High School Examination in the area of ecology is as comprehensive as previous years' exams. It consists of 40 multiple choice questions on everything from the structure of DNA to the interactions within...

The total world population is predicted to pass 8 billion by 2025, which is less than 10 years from now. The video focuses on human population growth and the impact it has had and is having on our planet and other populations. It...

Why do zoologists collect animal specimens for research? And, how many animals is enough? Explore both sides of a current debate in the scientific community using a video that is part of a larger playlist on mammals. Topics include where...

The human population reached 1 billion in 1804, and by 2016, there were more than 7 billion! This activity explores how populations in an ecosystem change over time. Through simulations, videos, discussions, and a game, learners see how...

Display a stunning drawing of the Gulf of Mexico's ecosystems. Learners examine the picture to determine what birds live there and what foods they rely on. Then show a poignant five-minute film that examines the impact of the 2010...