Reptiles survived the largest extinction event on the planet and then they grew into the most dominant class of the Mesozoic Era. They quickly evolved into giants on land, sea, and air. In an episode of the PBS Eons series viewers learn...

If scientists could use biotechnology to bring back extinct species, should it? A thought-provoking video explores the technical and ethical considerations of this question as part of a larger biology playlist. It explains what would be...

Imagine a world where the only animals roaming the earth are domesticated. One day, we might not have to imagine the scenario of no wild animals—and that day approaches faster than predicted. A video explains the evolution from...

Who knew that a possible answer to Earth's energy resource problems was lurking deep beneath the ocean's surface? Part four of a six-part series introduces Earth Science pupils to methane hydrate, a waste product of methanogens. After...

Galapagos Penguins are the only penguins on earth that live north of the equator (in the wild). In this last lesson plan a discussion on how the Galapagos islands developed their populations and diversity sparks the introduction. Two...

A dynamic, three-part feature explores what caused mass extinction of the dinosaurs at the end of the Cretaceous period. Computer animations, interviews, and on-site footage from around the world divulge evidence that it was the K-T...

Along came a spider, who sat down beside her. She screamed, but RJ wouldn't smash it because spiders are a limiting factor for other insects in an ecosystem. In this video, other common limiting factors for populations are listed....

Twenty-seven slides will give your students a complete overview of the biological and chemical theories behind the development of life on Earth.  There are fabulous real life photos and labelled diagrams to give details about the first...

Here is an excellent lesson plan tigers that has a research component. Integrated into the lesson plan is the premise that God created animals and the human responsibility to care for them. At learning centers students visit various...

Tasmanian devils are scavengers who eat dead animals including the bones and fur. A video begins with cancer in Tasmanian devils to demonstrate the importance of genetic variation. Then examples such as the black-footed ferret and AIDS...

How does biodiversity affect ecosystems? An insightful presentation covers the concept of biodiversity and its importance. It takes a look at extinction and endangered and threatened species as well as biodiversity hot spots around the...

As environments change so must their inhabitants, or extinction will prevail. An in-depth look at the evolution of the synapsids shows how one group overcame environmental changes and survived. The video lesson from the PBS Eon series...

Subtle changes in climate can have a significant effect on habitats. An installment of the PBS Eons series describes the history of climate changes. The instructor describes specific causes of the changes throughout history and how the...

Bears come in many different shapes and sizes. Follow the evolution of the prehistoric bear through time in an episode from the PBS Eon series. The narrator discusses the evolution of the bear by examining adaptations and their...

One important skill in analyzing scientific evidence is identifying facts versus opinions. Scholars identify pieces of evidence from the film The Day the Mesozoic Died and then discuss this evidence in small groups at the end of each act...

What can fossils tell us about periods of extinction? Young scholars interpret fossil layers to make conclusions about changes in life during different geological time periods. They analyze the fossils for abundance and diversity as well...

Almost half of test takers passed the AP Environmental Science exam in 2017. Use the free-response questions on the topics of pollution and ecosystems to improve writing skills in preparation for the AP exam. Discuss the scoring...

Animals, including humans, tend to live in specific biomes based on their adaptations and preferences. An in-depth presentation covers more than 10 different biomes and the factors impacting each as a habitat. Then, it focuses on dangers...

From the top of the food chain to extinction, follow the life of the megalodon! An episode in the PBS Eon series describes the evolution of the ancient species and its eventual extinction. The narrator discusses the fossil evidence and...

Science benefits everyone, so why is the language in journal articles so difficult to understand? The third video in the four-part series on Biodiversity breaks down a journal article so everyone understands the content. The article...

When did biology become a proper science? Travel back in time to the evolution of natural history during part 19 in an ongoing History of Science series. Pupils discover early pioneers in the study of plants and animals, the birth of...