Did You Know? The 17-Year Cicada.

The video explains the lifecycle of cicadas in the northeastern US, focusing on their 17-year underground nymph stage. After this period, they emerge when the soil reaches a specific temperature, molt, and live as adults for 4-6 weeks to mate and lay eggs. Scientists believe cicadas track time through changes in tree sap, which they consume, aligning with seasonal cycles.

What happens to cicada nymphs after they hatch from their eggs?

How long do cicada nymphs live underground before emerging?

What triggers cicadas to emerge from the ground?

Describe the adult cicada's life after emerging from the ground.

What do scientists speculate about cicadas' ability to sense time?