Tree ring — Free Biology Illustration | GPAI | GPAI

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Tree ring — Free Biology Illustration | GPAI | GPAI

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Tree ring

Tree ring

Biology

Tree ring

Circular cross-section of a woody stem showing concentric annual growth rings around a central pith, with alternating lighter and darker brown bands of wood forming clear boundaries between growth increments. Include subtle wood grain texture, smooth curved ring arcs, and a rough outer bark edge.

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PNG

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