TED-Ed: What's hidden among the tallest trees on Earth? - Wendell Oshiro

Stephen Sillett, inspired by his childhood experiences, became a pioneer in exploring the crowns of ancient coast redwoods. His daring climbs revealed a rich ecosystem teeming with life, including lichens, soil mats, and even new tree growths. Sillett's work has transformed our understanding of these towering trees, highlighting their ecological importance and the need for conservation. His research shows that redwoods are not just individual giants but vibrant habitats for diverse species, urging us to look beyond the obvious and explore the hidden worlds above.

What activity did Stephen Sillett's grandmother introduce him to that influenced his future career?

• Gardening

• Rock climbing

• Bird-watching

• Fishing

What was unique about Stephen's first climb into the redwood canopies?

• He used advanced climbing equipment

• He discovered a new species of bird

• He climbed without ropes or a harness

• He found a hidden cave

What did Stephen find growing in the soil mats high in the redwood canopies?

• Huckleberry bushes

• Moss

• Cacti

• Palm trees

Which of the following animals is considered the top predator in the redwood canopy ecosystem?

• Wandering salamander

• Osprey

• Spotted owl

• Red-tailed hawk

How has Stephen Sillett's research changed the perception of tall trees?

• They are recognized as ecosystems supporting diverse life

• They are seen as isolated organisms

• They are considered less important for conservation

• They are primarily valued for timber