Insect Biodiversity

High schoolers in chemistry or health courses look at the material safety data sheet (MSDS) and periodic table of elements to gather information about mercury and lead, two toxic materials that have been found in food products. They read...

Advanced chemistry classes compare the polymerization of styrene using two different initators: benzoyl peroxide and aluminum chloride. Once they synthesize polystyrene, they compare the two producet for melting point and density. There...

How quickly do animals evolve? Can comparing different samples of the same fossil answer timeline questions? Scholars use virtual labs to examine fossils and learn about stickleback evolution. They compare pelvic morphology in lakes...

What creatures lurk in the rainforest at night? Meet three of them in one short video. Part of a playlist exploring mammals, the video presents a look at night research in the Amazon. Scientists locate and photograph two bat species and...

The Field Museum houses 12 million insects. Brain Scoop presents the insect collection at the Field Museum as part of its Insect playlist. From brilliant purple beetles to tiny mites, all the way to giant cockroaches, the organization of...

This excellent resource from the San Diego Zoo presents extensive information on two-toed sloths including details about their habitat, physical characteristics, size, diet, family life, conservation status, and fun facts.

Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:02]

Learn fast facts, the physiology, habitats, behaviors and range of the two-striped grasshopper.

The Denver Zoo features a comprehensive overview of Linne's Two-toed Sloth focusing on its habitat, range, adaptations, diet, physical characteristics, and more.

Students explore the distribution of two ecosystems on a global scale; and map the distribution of tropical and temperate rain forests throughout the world. They use a Venn Diagram to describe these ecosystems and the differences between...