Curated OER
Wolves: DNA Pawprinting
A mystery canine was shot and killed near Yellowstone National Park in the early '90s. Genetics whizzes explain how they might go about identifying whether the animal was a true grey wolf or a hybrid. A drawing of the animal's DNA bands...
Curated OER
Making Twins
A short reading is accompanied by a quiz in a resource describing the differences between identical and fraternal twins. The quiz is mostly true/false and would make an excellent anticipatory set to get kids thinking about what they know...