Extinction: i's not just for dinosaurs! Young ecologists examine the alarming facts about the causes of mass extinctions by watching this engaging Fuse School Evolution video. Topics include previous extinction events, living fossils,...

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...

Extinctions constantly occur, but what sets off a mass extinction event? Young scientists study the data from the previous five mass extinctions to better understand their causes. Then, they learn the impact each extinction had on our...

Are we, as some scientists theorize, in the midst of the sixth mass extinction? Scholars explore speciation through adaptive radiation and extinction with a video that uses the three-spines stickleback in Alaska, and its current...

99 percent of the species that have ever lived on this planet are extinct. The best way to understand when another extinction could happen is to study the previous five mass extinctions. The video discusses each one, the cause, the...

Normal background extinctions and mass extinction events are examined in this short video that suggests that environmental change, naturally occurring and change caused by humans, is the key factor in such events.

How do scientists define a mass extinction event in the fossil record, and what happens when they are wrong? Scientists find living plants and animals previously believed to be extinct on almost every continent. An engaging video...

According to a popular movie series, de-extincting ancient species may not be the best idea! But, is it possible? Explore the prospect through a video that is part of a larger playlist covering mammals. The narrator compares the physical...

Everyone knows about the extinction of the dinosaurs, but what other mass extinctions have happened? The video explains how scientists define mass extinctions. It offers insight into the debate about the number of mass extinctions as well.

Extinction events have happen throughout geologic history, but only five mass extinctions occurred over the last 4.5 billion years. Scholars view fossils from a layer of sediment during an extinction event and observe patterns to draw...

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...

If you could, would you bring back mammoths or mastodons? What about resurrecting other species? Viewers consider some of the ethical and practical considerations involved in de-extinction.

Students are introduced to the five major reasons for extinction. In groups, they read scenarios and divide them into different categories. Using the internet, they identify which reason a certain animal became extinct. To end the...

Students develop a definition of extinction.  In this extinction lesson, students listen to What Happened to Dinosaurs? Students research and debate theories of what happened to dinosaurs.  Students present their arguments.

After reading about the five main theories explaining the mass extinction of dinosaurs, natural historians diagram a geological timeline, describe how the five factors might have caused mass extinction, and then create a poster of an...

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...

What happens when a species becomes extinct? Sharpen your reading skills with a passage about how koalas have gotten close to being an endangered species.

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...

Young scholars observe models of two kinds of forests with low and high biodiversity. They observe and record the effects of habitat destruction or extinction rates. They also conduct research about mass extinction like that of the...

The human carbon footprint may be larger than anyone thought. It is estimated that one million species are at risk of going extinct due to human impact on the environment. An installment from the large It's Okay to be Smart series...

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...