FOREST OF KELPTYPES OF SEAWEEDALGAL OVERKILLPHYTOPLANKTONFIND OUT MOREAlgae are simple organisms that make food from sunlight by photosynthesis, but lack the roots, stems, and leaves of proper…
by Elizabeth Olson photos by Carol M. Highsmith The U.S. National Park Service was created on August 25, 1916, by President Woodrow Wilson. In 1872, Yellowstone National Park became the…
Natural SelectionGenetic Variation and Natural SelectionIntroductionNatural SelectionPost-Mendelian Inheritance Factors As discussed in Specialized Cell Structure and Function, sexual reproduction…
Continent: Northeastern South AmericaClimate: Tropical and subtropical; some areas have an annual rainfall of more than 6 feetSchool: The school year runs from February through December. Kids…
Senate Years of Service: 1911-1923Party: DemocratHITCHCOCK, Gilbert Monell, (son of Phineas Warren Hitchcock), a Representative and a Senator from Nebraska; born in Omaha, Nebr., September 18…
Here are the best-selling children's books of all time (through the end of 2000), with author and year of initial publication, compiled by Publishers Weekly. OP means the book is no longer in print.…
CLIMATE ZONE CLASSIFICATIONWHAT IS A MICROCLIMATE? HAS THE EARTH’S CLIMATE CHANGED OVER TIME? WILL EARTH’S CLIMATE CHANGE IN THE FUTURE? BIOGRAPHY: LOUIS AGASSIZ Swiss, 1807–1873FIND OUT MOREEarth…
Preservation and conservation milestones in the United States by Holly Hartman 1840s–1860s1870s–1880s1890s–1920s1930s–1960s1970s1980s1990s2000sMost Recent Entry 1849 The U.S. Department of…
writerBorn: 1/7/1863Birthplace: Rockville, Ind. Juliet Humphreys was the second of four daughters of William and Susan King Humphreys. Following her father's death in 1867, when she was only four…
What is this job like? Every year, fires take many lives and destroy billions of dollars worth of property. Firefighters help protect people and property. They are often the first at an accident or…
