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Grades 6-8

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Diagram

Leaf Margins

Entire or toothed? Being able to distinguish between these two types of leaf margins will help you identify a plant specimen. This illustrated guide shows you what both look like.

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Activity

Describing and Understanding Organisms

At a loss for words when it comes to explaining your biodiversity findings in the classroom, field, or lab? Increase your vocabulary—and observation skills—with this guide to gathering clues.

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Young Naturalist Awards Essay

Reading the Rocks at Cornwall, Pennsylvania

See how a day of collecting rocks on the north shore of Long Island turned into an exploration of the Earth's history for this eighth-grader from New York.

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Young Naturalist Awards Essay

Fiddler on the Marsh

Fiddler crabs never stray far from their burrow. That's why they will do anything to avoid getting caught and measured, as this ninth-grader from Virginia found out.

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