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Posts tagged soil

September 27, 2003

 

The Dirt about Desert Soil

In the desert, the absence of water means little or no chemical weathering can take place. Instead, erosion, frost, sedimentation, and the huge temperature fluctuations between day and night break down the rocky surface into sand or gravel.

September 27, 2003

 

The Venus Fly Trap

Carnivorous plants still rely on photosynthesis as their main source of energy. However, because they grow in areas where the soil lacks essential nutrients, they use the insects they capture as a source of nitrogen and other minerals.

September 27, 2003

 

Flat Worms: The Earthworm Predators

Over the past few decades, the earthworm population has severely decreased. Since the New Zealand flatworm accidentally made its way to the British Isles in 1963, it has wreaked havoc on some of the land, devouring fields of earthworms.

September 27, 2003

 

Smoke on the Wildflower

Wildfires destroy enormous areas of forest every year. However, after forest fires, some plants manage to grow back at accelerated speeds.

September 27, 2003

 

The Great Worm Odyssey

Ever wonder why worms stay burrowed in the ground until a rain finally comes? Find out on this Moment of Science.

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