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Lightning
Grade 5
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Plants with Seeds

Gymnosperms first appeared when most of Earth was cold and , about 250 million years ago. Unlike angiosperms, gymnosperms do not produce . Gymnosperms reproduce from seeds found on the scales of cones. Concealed within each seed is an undeveloped plant and stored . The of gymnosperms are needle-like and are constantly being replaced. Most are evergreens. Some conifers are called , meaning they lose leaves each fall. Most conifers are found in the parts of the world.