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Whooping Crane
The Whooping Craneis a very large crane. It is the tallest North American bird. Adults are white; they have a red crown and a long, dark, pointed bill. They have long dark legs which trail behind in ... > more -
Biological life cycle
A life cycle is a period involving one generation of an organism through means of reproduction, whether through asexual reproduction or sexual reproduction. In regard to its ploidy, there are three ... > more -
Black widow spider
The black widow spider (Latrodectus spp.) is a spider notorious for its neurotoxic venom. It is a large widow spider found throughout the world and commonly associated with urban habitats or ... > more -
Dairy cattle
Dairy cattle, generally of the species Bos taurus, are domesticated animals bred to produce large quantities of milk. Dairy cattle may be found in herds on farms where dairy farmers own, manage, care ... > more -
Drosophila melanogaster
Drosophila melanogaster, a dipteran (two-winged) insect, is the species of fruit fly that is commonly used in genetic experiments; it is among the most important model organisms. In modern biological ... > more -
King Cobra
The king cobra is the longest of the venomous land snakes, growing up to 18 feet (5.5 meters) in length. The snake's venom is a neurotoxin which has been known to kill a human being in 15 ... > more
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