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Grades 9-12

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Young Naturalist Awards Essay

My Fish-Shaped Home: A History of Changes

Did you know that Long Island was once part of a chain of volcanoes? Or that it was part of the tropics—and faced south? Step back in time with this seventh-grader for a look at the forces that shaped this giant sandbar.

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Article

How to Calculate a Biodiversity Index

One is the riskiest number... A more diverse plant population has a better chance of adapting to changes in the environment. Learn how to quantify the biodiversity of any area.

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Science Bulletin

The Last Wild Horse: The Return of Takhi to Mongolia

This feature depicts the emotional reintroduction of Takhi to their last known home range in Mongolia's Gobi desert. The Takhi, also known as Przewalski's horse, is the last surviving horse species that has never been domesticated. An important national symbol for Mongolians, the Takhi also serves as an important case study for conservation biologists who struggle to support the viability of thousands of species on the verge of extinction.

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Hands-on Activity

That's Heavy!

This "heavy" experiment allows students to discover that salt water sinks in fresh water.

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Hands-on Activity, Classroom Activity

Water vs. Land

Brainstorm with your students a list of things that are possible in water that are not possible on land, and vice versa.

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Hands-on Activity, Classroom Activity

Be an Ocean Biodiversity Detective!

In this activity students will collect and closely observe specimens that have washed ashore to recognize different kinds of small ocean organisms.

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