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Fayette County
Diversity of appearance within a cattle herd can be influenced by genetics and the environment.
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Shenandoah
Molecular sieve beads play an important role in ethanol distillation.
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Parkersburg
Changes in the quantity of birds and the locations of travel are shown, demonstrating complex ecosystems and how animals move or change their ecosystems depending on whether or not their needs are being met.
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West Okoboji
Many species of freshwater fish are attracted to colored lures or baits, and will often mistake them for food.
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Storm Lake
Trees can be strategically planted to act as a windbreak or snow fence.
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Cedar Falls
Pumpkins have a variety of appearance features. Color, shape, size, warts, stems, vines, and the depth of the ribs can all be varied, some present or not. Genetic and environmental factors both play a role in determining the appearance of a pumpkin.
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Des Moines
Land use in Iowa has changed significantly over the last hundreds of years.
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Bedford
The northern lights have been frequently visible further south of the poles.
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Montgomery County
Many trees in Montgomery County were left damaged after an EF-3 tornado in May 2024.
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Red Oak
Boreal chorus frog songs are an excellent first sign of spring's arrival.
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Buena Vista County
Parents teach their offspring a number of skills for survival, including hiding from predators.
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Cherokee
Owls tend to only interact together in a coupling and are territorial in order to protect their hunting grounds and their young.
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Monona County
The Loess Hills of western Iowa are a unique landform, the formation of which has resulted in characteristic "steps" in the hills.
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