Fossils Hold the Secrets of Plants
Jul 2025 · GM Kids Series 576 Book 41 · GOS Education Inc.
Ebook
35
Pages
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Eligible
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About this ebook
Fossils show how plants have changed over time.
The oldest land plants appeared about 470 million years ago.
These plants were very small and had simple structures.
Over time, plants developed into more complex forms.
About 400 million years ago, ferns and other pteridophytes appeared.
Pteridophytes had roots, stems, and leaves.
Pteridophytes grew above the ground to get sunlight.
Fossils show how plants have changed over time.
The oldest land plants appeared about 470 million years ago.
These plants were very small and had simple structures.
Over time, plants developed into more complex forms.
About 400 million years ago, ferns and other pteridophytes appeared.
Pteridophy...
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