BETA
Chapter 1
Coast redwoods versus giant sequoias
Chapter 2
The secret engineering of giants
Chapter 3
Canopy worlds and forest networks
Chapter 4
Guardians of the redwood empire
YOUR GOAL
Master of The giant redwood trees
Ch 2 · The secret engineering of giants
artiteacher Giant sequoias have evolved specialized bark that protects them from forest fires.
artiteacher Despite their towering heights, redwoods do not have deep taproots to hold them up.
Fun Fact
Sequoia seeds: A single mature giant sequoia can produce up to 400,000 seeds every year, yet very few grow into trees.
Glossary
xylem (noun)
The vascular tissue in plants that conducts water and dissolved nutrients upward from the roots. A mature giant sequoia transports over 500 gallons of water daily through its complex xylem network.
The vascular tissue in plants that conducts water and dissolved nutrients upward from the roots. A mature giant sequoia transports over 500 gallons of water daily through its complex xylem network.
Quiz
What natural event is actually required for giant sequoia seeds to sprout successfully?
Quiz
What animal's activity is crucial for releasing giant sequoia seeds from their cones?
Quiz
How do coast redwoods obtain up to 40 percent of their water during dry summers?
Quiz
What physical force helps pull water from redwood roots up to the highest leaves?
Quiz
What chemical compound in redwood bark helps protect the trees from insects and fire?