Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.

More Stories in HS-LS4-3

  1. Health & Medicine

    Chikungunya wings its way north — on mosquitoes

    A mosquito-borne virus once found only in the tropics has adapted to survive in mosquitoes in cooler places, such as Europe and North America.

  2. Physics

    Eyelashes: The ‘sweet’ length

    New mathematical and aerodynamics studies find what seems to be the optimal length for eyelashes — the length that protects best. And surprise: Longer is not always better.

  3. Life

    Caught in the act

    Scientists observe some evolutionary speed demons as they adapt over the course of just a few years to new environmental conditions.

  4. Health & Medicine

    Evolved to run

  5. Fossils

    Dinosaurs grow up

  6. Tech

    Butterfly wings and waterproof coats