Chapter 1
The Carolina home
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Chapter 2
The trigger mechanism
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Chapter 3
The snap and digest
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Chapter 4
Global meat-eating cousins
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YOUR GOAL
Master of How Venus flytraps hunt
Ch 2 · The trigger mechanism
artiteacher The trigger mechanism
Touch me once, I wait—(oh-oh!) / Touch me twice, I snap! (yeah, I snap!)
Fun Fact
Fast electricity: The electrical signal that travels through a Venus flytrap leaf moves at about ten centimeters per second.
Glossary
trigger hair (noun)
A sensitive, hair-like projection on an organism that initiates a physiological response when physically stimulated. In 1875, Charles Darwin discovered that these structures in Venus flytraps initiate leaf closure.
A sensitive, hair-like projection on an organism that initiates a physiological response when physically stimulated. In 1875, Charles Darwin discovered that these structures in Venus flytraps initiate leaf closure.
Quiz
How many total trigger hair touches are needed to start digestive enzyme production?