Elephant population in danger due to poaching
By: Sun Meilan
It has long been known that poaching is decimating elephant populations and wildlife organisations have been working with local authorities to try and cut down on the damage that is being done. However, new research has shown that strategies have not been working, at least...
Bat-eating spider population on the rise
By: Leigh Goessl
Bat-eating spiders are reportedly on every continent, but one, Antarctica. According to scientists, there are some types of spiders catching bats everywhere else in the world. According to NBC News, there are over 1,200 species of bats which make up approximately one-fifth of all...
Why spiders don't stick to their webs
By: BerylM
Of course, not all spiders spin webs – but anyone who has accidentally walked into one of the masses of gossamer strands built by one that does, will be able to testify that they are definitely sticky – and the hapless moths, flies and other...
What is the chromosomal theory of inheritance?
By: Christyl Rivers
Prior to 1902, many biologists suspected that chromosomes were responsible for delivery of the genetic materials that every organism has. But it fell to Theodor Boveri and Walter Sutton, working independently, to discover what is now called the chromosomal theory of inheritance. Basically, they found...
By: Heather Brennan
The chromosomal theory of inheritance is also known as the Sutton-Boveri chromosome theory. It was developed simultaneously by William Sutton and Theodor Boveri in 1902. This theory confirmed Mendel’s laws that came out of his work with garden peas and established genes as units...
By: Christyl Rivers
In the mid-20th century, biologists found that linear sequences of genes located on specific sites of chromosomes are what drive the laws of inheritance. Here is one example: If both of one’s parents have blue eyes, both parents carry the right genetic instructions on...
Animals on the verge of extinction
By: Retha Boswell
Animals become endangered for a variety of reasons from poaching to habitat destruction to the introduction of competitive foreign species. There are thousands of animals on the verge of extinction today and some already extinct in the wild. The International Union for the Conservation of...
A short history of zoology
By: Retha Boswell
People acted as zoologists long before the study of zoology existed as we know it today. Zoology, in a crude form, has existed since people became interested in animals. Animals, such as the dog for example, have evolved along with us. Primitive farmers, shepherds, and...
Surprising talents of members of the animal kingdom
By: Retha Boswell
It is no secret that the animal kingdom is filled with creatures that have amazing skills and abilities. Animals continue to fascinate researchers and many have surprising talents. Most animal talents are actually sophisticated adaptations from centuries of evolution. Hermaphroditism in fish Some fish have...
Animals on the verge of extinction
By: Mari Mckee
It is estimated that between 200 and 2,000 extinctions of wild creatures become extinct every year. What a tragedy that the world is facing the extinction of many more creatures. Wild and exotic creatures are nearing extinction because of poaching, logging and destruction of...

 

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