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Middle School and Up
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BioSnapshot: Evolution in Action: Cane Toads
Article
for grades 6 through 12
Since the 1935 introduction of cane toads to Australia, the reptiles have invaded one million square kilometers of the continent—and been linked to the shrinking head sizes of Australian snakes.
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Collecting Arthropod Specimens
Article
for grades 6 through 12
What's the best way to catch an arthropod in the field—aerial netting, beating, or pitfall trapping? Actually, the answer is choosing the right collection method for your site's terrain and specimens.
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Webpage [pages: 1]
 PDF [plugins: Adobe Acrobat; filesize: 292kb] [pages: 3]
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Drawing as a Way of Looking at the Natural World
Article
for grades 6 through 12
Don't just take a close look at that arthropod, pick up a pencil and draw it! You'll be surprised how much better you'll understand and appreciate what you're seeing.
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Webpage [pages: 1]
PDF [plugins: Adobe Acrobat; filesize: 306kb] [pages: 4]
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Hall of Biodiversity Educator's Guide Activity: Cladograms
Activity
for grades 6 through 12
In the same way people trace their history with a family tree, scientists use an evolutionary tree to show a species' close and distant relatives. Learn how they work by making a tree of coins.
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PDF [plugins: Adobe Acrobat; filesize: 22kb] [pages: 1]
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Helpful Hints for Field Sketching
Article
for grades 6 through 12
People often assume that drawing skills are something you're born with. But the truth is, like any other skill, drawing is something you can learn. Start sketching with these helpful hints.
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Webpage [pages: 1]
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How to Press and Preserve Plants
Activity
for grades 6 through 12
Autumn leaves, flawless fronds, prickly grasses, and perfect petals—all are great specimens to be noted and preserved. Find out how to press like a pro.
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Profile: Niles Eldredge
Article
for grades 6 through 12
When he was in the ninth grade, Niles Eldredge was in the slow science class. But that didn't stop him. He later followed his heart and became a well-known evolutionary biologist.
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Webpage [pages: 1]
PDF [plugins: Adobe Acrobat; filesize: 42kb] [pages: 2]
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