An introduction to killer whales
By: Norman Green
Killer whales are instantly recognisable, their black and white colouring setting them apart from other cetaceans. The killer whale, or Orca, is in fact the largest species of dolphin, and like other dolphins is both intelligent and trainable. They are, however, ferocious predators, as the...
An introduction to killer whales
By: Deneice Arthurton
Even for those with little marine mammal knowledge the killer whale or orca (Orcinus orca) is immediately recognisable due to its distinctive black and white markings. Orca belong to the scientific order of Cetacea, a group which includes whales, dolphins and porpoise. The orca's sub-order...
By: T. Gene
Most people are intimately familiar with the telltale signs of allergies during spring or early summer. Some of the best indicators of changes in seasons seem to be the puffy, watery, itchy eyes, along with stuffy noses. People with these symptoms suffer from a condition...
By: Jennifer Watson - 582581
The Dianthus carnation is a part of the family, Caryophyllaceae. There are around 300 species in the genus of this flowering plant. It is mainly found in Europe and Asia. There are a few species that extend south to north America. One species is found...
Extinct species profile: Eastern cougar
By: Jennifer Watson - 582581
The eastern cougar was declared to be extinct in 2011, by the United States Fish and Wildlife Service. The U.S. Federal officials believe that the cougars found in Eastern North America today are descendants of South American cougars that escaped captivity after being brought...
An overview of vernalization in plants
By: Amelia Emery
Spring time is always a popular season for just about everyone who cannot wait to see sunny days and warmer temperatures. Spring is also the time when most plants begin to break out of their winter dormancy and start to leaf out and flower. It...
By: Sylvia Farley
In the Journal of American Society of Plant Biologists, Plant Cell. 2004 October; 16(10): 2553–2559. Richard Amasino explores the history of research into the process of vernalisation. Vernalisation is the process by which seeds or plants are prepared for spring, by a long period...
Fish profiles: Electric eel
By: Jennifer Watson - 582581
The electric eel is an electric fish. The scientific name for this fish is Electrophorus electricus. It is the only species, that the genus Electrophorus contains. It uses strong electric shocks as a means of protection and for hunting prey. It lives in the waters...
By: Can Tran
The sturgeon is considered to be the largest type of freshwater fish in North America, according to the website called “Go Fish'N.” However, the sturgeon is also nicknamed as the “Pacific Sturgeon,” “Oregon Sturgeon,” “Columbia Sturgeon,” and...
By: T. Gene
Sturgeon is typically found in large rivers and estuaries near the Pacific Ocean. Some species of sturgeon can grow to be very large, up to 1400 lbs. and 20 feet in length. Normally, they have cylindrical bodies covered in scutes, or armor-like scales, along with...

 

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