The oldest plant lineages
Chapter 1
The pioneering world of mosses
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Chapter 2
Ferns and the age of coal
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Chapter 3
Cycads and the dinosaur era
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Chapter 4
Ancient plants in our modern world
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YOUR GOAL
Master of The oldest plant lineages
Ch 4 · Ancient plants in our modern world
teacher With the moss on the stone, the ferns in the mist, and the cycads standing tall!
Fun Fact
Global cooling: A ancient floating fern called Azolla once cooled the entire planet by absorbing massive amounts of greenhouse gases.
Glossary
cycad (noun)
Any of a group of palmlike gymnosperm plants with large pinnate leaves that reproduce using cones. A giant South African cycad collected in 1775 remains the oldest potted plant at Kew Gardens.
Any of a group of palmlike gymnosperm plants with large pinnate leaves that reproduce using cones. A giant South African cycad collected in 1775 remains the oldest potted plant at Kew Gardens.
Quiz
What makes the conservation of cycads more difficult than that of flowering plants?
Quiz
How does studying ancient plants help scientists prepare for modern climate change?