'Many city streets' diaporamas de présentation

Gymonosperms mean naked seed. Seeds produced by gymnosperms like this Giant Sequoia.

Gymonosperms mean naked seed. Seeds produced by gymnosperms like this Giant Sequoia. Most gymnosperms are trees, some are shrubs,most have needlelike or scalelike leaves. Gymnosperms are the oldest type of land plant. Cycads are about 175 million years old.

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