Explore the different types of symbiotic relationships that exist between species. Your class will investigate how humans influence the evolution of bacteria through the development of antibiotics.
9th - 12th Science 76 Views 80 Downloads
The Effect of Natural Selection on Genes, Traits and Individuals
Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...
9th - 12th Science CCSS: Designed
Great Transitions: The Origin of Tetrapods
The featured movie focuses on the ancestry of our four-footed friends. Find the fundamental pattern of their limbs and vertebrae in fossils of fish. After viewing, biology learners can enjoy interactive websites to zoom in on the...
17 mins 6th - 12th Science
The Making of the Fittest: Natural Selection and Adaptation
The pocket mouse can be light brown like the sands of the desert, or dark brown like the volcanic lava flows that are interspersed throughout New Mexico's Valley of Fire. It seems that predators have weeded out light colored mice in this...
10 mins 8th - Higher Ed Science CCSS: Designed
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
15 mins 8th - Higher Ed Science CCSS: Designed