Which redwood defense is coolest?
Chapter 1

Rise of the ancient redwood family

Chapter 2

The physics of drinking from the sky

Chapter 3

Shields of armor and underground networks

Chapter 4

The secret world of the canopy

YOUR GOAL

Master of How redwoods became giants

Ch 3 · Shields of armor and underground networks
M
misslily
Shields of armor and underground networks
BETA

misslily Connect underground roots and build bark armor to discover how redwoods survive fire and wind.

Jul 16

M
misslily

misslily Redwood Giants Thrive

Redwood's secret to the sky, hear it now! Thick bark shield and roots that intertwine, wow-oh-wow!

Jul 16

M
misslily

misslily Tannins as a chemical defense system

Jul 16

M
misslily
Holding hands under the soil

misslily Redwood roots are surprisingly shallow but interlock with neighbors to prevent falling.

Jul 16

M
misslily
Tannins as a chemical defense system

misslily Natural chemical compounds protect redwoods from rot, fungi, and hungry insects.

Jul 16

M
misslily
Fun Fact

Burl power: The lumpy growths on redwood trunks contain thousands of dormant buds that can sprout new clone trees if damaged.

Jul 16

M
misslily
Glossary
mycorrhizae (noun)
Symbiotic associations between beneficial soil fungi and the roots of vascular plants. In California's coastal forests, these fungal networks link redwood roots to distribute water and vital nutrients.

Jul 16

M
misslily
Gossip

Which redwood defense is coolest?

Jul 16

M
misslily
Quiz

How deep do the roots of a giant 300-foot redwood tree typically grow?

Jul 16

M
misslily

misslily Holding hands under the soil

Jul 16

M
misslily
Quiz

What acidic chemical compound gives redwoods their color and protects them from rot?

Jul 16

M
misslily

misslily The fireproof shield of thick bark

Jul 16

M
misslily
Quiz

How far horizontally can a redwood's shallow root system spread from the trunk?

Jul 16

M
misslily

misslily The underground fungal internet

Jul 16

M
misslily
Quiz

How thick can the protective bark of a mature coast redwood grow?

Jul 16

M
misslily
Quiz

What temperature in Fahrenheit can the thick bark of a redwood insulate the tree against?

Jul 16

M
misslily
Quiz

What highly flammable substance is almost completely missing from redwood bark?

Jul 16

M
misslily
Quiz

What type of organism forms underground networks with redwood roots to share nutrients?

Jul 16

M
misslily
Quiz

How do redwood trees stay standing in strong winds despite having shallow roots?

Jul 16