Evolution happens over generations, so how do we observe it? Scholars learn to look for patterns and create cladograms. Then they apply those lessons to the evolution of technology over many generations.

Scientists discover over 15,000 new species each year. Despite studying life on our planet for all of human history, we still don't know how many species exist on Earth. An informative video from a biology playlist presents the dilemma,...

The tropics contain about 40 percent of the area on Earth. Viewers take a trip to Peru as an entrancing video from a larger biology playlist explores the region. It explains the facts and theories about the biodiversity near the equator....

Which makes a better name for a new species: Hermit Crab Caterpillar or Sir Leafs-a-Lot? Exploring a rainforest in Peru, the video helps viewers discover a unique species as part of a larger biology playlist. As scientists learn more...

At one point, all mammals carried only two color receptors, but now most humans carry three. An informative presentation and hands-on activity demonstrate how this evolved through genetics. By participating in the activity, pupils...

Kids Prefer Cheese Over Fried Green Spinach is one way to remember the classification system in order. In the video, scholars learn the classification system for all organisms on Earth. They listen to a brief history of taxonomy, see how...

"The one process ongoing that will take millions of years to correct is the loss of genetic and species diversity by destruction of natural habitats" - E.O. Wilson. Here is a video that discusses biodiversity at multiple levels from...

Island exploration—sounds exotic! During these three activities, high school learners explore island biogeography through a game and then analyze data collected, ask questions via BioBlitz, and present findings. Then, they must convince...

Trees look different, just like people look different. Let's look at some up close! Throughout this outdoor activity, elementary learners spend time outside observing the trees on their school property, and reporting on their...

Reebops are cute, marshmallow-based creatures that can be used to teach inheritance. Beginning biologists draw strips of paper that represent chromosomes from two envelopes, one for the father, and one for the mother. Each parent...

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...

Above all else, a bird's color is what sets it apart from other birds. Learn what creates their unique plumage in an installment of a video series. The video presents the physical and chemical reasons for the variation in colors as well...

Humans only make up 0.01 percent of all life forms on Earth. We sure know how to make an impact though! An episode of the It's Okay to be Smart series examines the proportion of different species that inhabit Earth. The narrator compares...

How are traits passed down from parents? Jean Baptiste Lamarck and Charles Darwin envisioned conflicting theories. Learn about both scientists and their theories with an insightful presentation. Giraffes and dogs serve as examples of...

Take your classes back in time. Learners read real historical texts from both Darwin and Wallace as well as an announcement of their findings. Using guiding questions, they make inferences and draw conclusions from the information in the...

Two scientists, two independent studies, two similar theories! A video lesson presents the work of Charles Darwin and Alfred Wallace that led to their theories on evolution. Scholars then evaluate statements and provide evidence to...

Welcome to Biology! Introduce pupils to a subject conceptualized by Aristotle in 300 BC through a presentation and worksheet. It covers the themes of biology, characteristics of life, the scientific method, microscopes, and measurements.

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...

Scientists discover more than 15,000 new species each year. Viewers learn about seven new species discovered in cities, often right next to where people live. As part of a larger playlist, a video discusses the techniques researchers use...

Humans have been making weapons from shark teeth for more than 100 years. These weapons help researchers build an understanding of migration of the different species of sharks. An interesting installment from the Brain Scoop series...

They say elephants never forget—and your class won't forget an insightful modeling activity either! Junior zoologists take part in a mock elephant census using the sample count and total count methods. The included materials provide...