HS-LS4-1

Communicate scientific information that common ancestry and biological evolution are supported by multiple lines of empirical evidence.

  1. Fossils

    Big fish in ancient waters

    Fossils have revealed an ancient, oversized relative of modern-day swordfish.

    By Emily Sohn
  2. Fossils

    Ancient critter caught shedding Its skin

    A fossil reveals that ancient animals shed their skin, just as insects and crustaceans do today.

    By Emily Sohn
  3. Fossils

    Dinosaurs grow up

    Learning how fast dinosaurs grew may help link birds to dinosaurs.

    By Emily Sohn