INSIDE A SEEDSPREADING WITHOUT SEEDSGERMINATION OF A RUNNER BEANFRUITSFIND OUT MOREMost plants grow from seeds. These seed plants fall into two groups, angiosperms and gymnosperms. Angiosperms…
Jump to a category: Animals & Pets Entertainment Harry Potter Food U.S. & Politics Other Cool Stuff What’s your favorite part of summer vacation? What’s your favorite school…
ProtistsOrigin of Prokaryotes and EukaryotesIntroductionOrigin of ProkaryotesEukaryote EvolutionProtistsSlime Molds Protists represent in excess of 100,000 species and are so varied in their…
Battles That Changed History The United States at War Highest-Ranking Officers in U.S. History U.S. Military Ranks The Joint Chiefs of Staff (JCS) America's Wars: U.S. Casualties and…
The Question: What is the origin of the donkey and elephant as the symbols of the Democratic and Republican parties in America? The Answer: The Donkey-…
(Encyclopedia) thorax, body division found in certain animals. In humans and other mammals it lies between the neck and abdomen and is also called the chest. The skeletal frame of the thorax is…
(Encyclopedia) sea whip, erect colony of marine animals of the phylum Cnidaria, with whiplike branches. The skeleton consists of a horny axis, overlaid with small calcareous bodies called spicules.…
(Encyclopedia) heparinheparinhĕpˈərĭn [key], anticoagulant produced by cells in many animals. A polysaccharide, heparin is found in the human body and occurs in greatest concentration in the tissues…
(Encyclopedia) Bütschli, OttoBütschli, Ottoôˈtō büchˈlē [key], 1848–1920, German zoologist. He was professor of zoology at the Univ. of Heidelberg. His researches on invertebrate animals advanced…
Growth ringsComplete babyStages of growthSome of the most exciting fossil finds over the last fifty years have been those that have something to do with young dinosaurs – their nests, eggs, or…
