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Longleaf pine (Pinus palustris) once could be found from southeastern Virginia to eastern Texas. Longleaf pines are not usually killed…
Longleaf pine (Pinus palustris) once could be found from southeastern Virginia to eastern Texas. Longleaf pines are not usually killed by fire. Because these pines need open spaces to survive,...

From 1920 to 1950, a tree species called albizia (Falcataria moluccana) was brought to Hawai‘i from islands located north and…
From 1920 to 1950, a tree species called albizia (Falcataria moluccana) was brought to Hawai‘i from islands located north and northeast of Australia. A fast-growing tree, albizia now grows all...

The scientists in this study were interested in environmental changes occuring in the Southern United States. The scientists were interested…
The scientists in this study were interested in environmental changes occuring in the Southern United States. The scientists were interested in changes occuring over a long time. In particular, the...

The questions you will answer with this FACTivity are: Are earthworms a part of your schoolyard habitat? and How much…
The questions you will answer with this FACTivity are: Are earthworms a part of your schoolyard habitat? and How much difference exists among the types of soil-dwelling organisms that live...

Successfully predicting where and when wildfires might occur is important. This prediction is important because of possible environmental and economic…
Successfully predicting where and when wildfires might occur is important. This prediction is important because of possible environmental and economic damage. As the climate warms, the possibility of wildfires might...

In recent years, humans have been burning more and more fossil fuels. Fossil fuels are oil, natural gas, and coal.…
In recent years, humans have been burning more and more fossil fuels. Fossil fuels are oil, natural gas, and coal. One of the extra products created by burning fossil fuels...

Many different types of birds live in riparian forests. In this study, the scientists were interested in black-chinned hummingbirds that…
Many different types of birds live in riparian forests. In this study, the scientists were interested in black-chinned hummingbirds that live in riparian forests. The scientists wanted to know if...

After reading “Worming Their Way In,” test your vocabulary knowledge with this word search.
After reading “Worming Their Way In,” test your vocabulary knowledge with this word search.

Finished reading the Investi-gator (Northern Research Station)? See how much you learned by completing one or both of these word…
Finished reading the Investi-gator (Northern Research Station)? See how much you learned by completing one or both of these word searches!

Native earthworms are important to the health of forests. Native earthworms help maintain the forest floor by eating leaves and…
Native earthworms are important to the health of forests. Native earthworms help maintain the forest floor by eating leaves and other plant materials. These earthworms tunnel and eat through soil,...