By: Rex Trulove
The American black bear (Ursus americanus) at one time roamed nearly every one of the continental US states, as well as most Canadian provinces. This species is still the most populous bear in the US, though it has a more restricted range, primarily due to...
By: Johanna Richardson
The American Black bear, which originally inhabited practically all the wooded areas from Central Mexico up to North America, is in much lower numbers, and has been eliminated from much of its original breeding grounds by hunting and removal of their habitats . However, the...
By: Joshua Horn - 257112
Cyanobacteria are bacteria that obtain their energy from photosynthesis. Also known as blue-green algae or Cyanophyta, they make up a huge part of the marine ecosystem and are assumed to have been responsible for the Earth's shift to an oxygen rich atmosphere and the extinction...
The diet of Bengal tigers
By: Amber-Marie Richardson
Bengal tigers are magnificent creatures and many are found living in the Sundarban mangrove forests, which are located in the Eastern region of Bangladesh and India. Being carnivores, the Sundarban forest is a perfect hunting ground for the Bengal tiger, and they can sometimes be...
Are human beings still part of nature?
By: Bob Zimmerman
Are humans still part of nature? We are still part of nature even if we destroy the rest of nature to benefit ourselves. We still fit into the old saying survival of the fittest. We are the highest on the food chain so we...
What are mosquitoes good for?
By: Richard Serra
Millions of years gone by, and these pesky critters are still with us, alive and well. As anyone who has asked the question, "what are they here for?" there just might not be a definitive answer that would satisfy our particular curiosity about what...
Why polar bears don't eat penguins
By: M E Skeel
Why don't polar bears eat penguins? I must admit that when I suggested this title to the steward, it was a joke. It's a riddle that I ask my Marine Studies students every year and surprisingly most cannot figure out the answer. The answer...
Medicinal drugs from common plants
By: Sarah Ganly
Herbal Plants with Medicinal Properties Many plants have medicinal properties that should not be taken for granted. There are many methods of preparing herbs that can make them easily consumed by people who are sick. These herbs can be prepared easily and grow without...
How dopamine can affect personality
By: Sherafgan Khan
With "hard core environmentalism discredited by almost every scientist today, it is then more important than ever to find a biological basis for personality, more importantly, what aspects of personality are inherited? Today we will look at the neurotransmitter dopamine as well as the...
Biology science fair ideas
By: Amanda Mittra
Biology projects are aimed at teaching or highlighting biological facts through hands on experience and can be a valuable tool for teachers, and a means of learning for a student. The level or grade of the participants is the start for determining the simplicity...

 

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