The metamorphosis from polliwog to frog
By: Rick Bavera
Polliwog. An interesting word. The word itself comes in a variety of forms, and has changed over time. The word first appeared in Middle English as "polwygle" and comes from words that mean "head" and "to wiggle." And that is what a polliwog is...
The evolution of pandas
By: Jeffrey Graf
Is a panda a closer relative to a bear or a raccoon? This question has perplexed biologists for over a century, and has continued to perplex scientists decades after the case seems to have been, somewhat hopefully, declared closed[ 1]. After much difficulty in detailing...
By: Matthew Zimmer - 393877
Genetic engineering is one the next great scientific advances that will lead humanity into a new age (if ever it is deemed ethical), and so, unsurprisingly, it is a subject faced with controversy and argument. This author is in favour of genetic engineering.Previous scientific...
What disease does the bacteria Brucella abortus cause and how?
By: Darian Peters
Brucella abortus is a particular species of the gram-negative bacterium Brucella that causes a disease called brucellosis in cattle. Brucellosis (which is also known as Malta fever) more generally can infect a variety of animals and these can act as vectors of transmission and can...
Ants: An overview of a fascinating group of insects
By: Abby Way
Ants are highly social insects. They can have nests comprised of millions of workers and twenty queens. The most primitive species' nests can have just twelve individuals at a time. Nevertheless, all ants belong to the order Hymenoptera. There are more than 186 species of...
By: Joanne L McGonagle
The Koala, one of Australia's icons is the only mammal, other than the Greater Glider and the Ringtail Possum, which can survive on a diet of eucalyptus leaves (gum leaves). Koalas are persnickety eaters with solid preferences for different types of gum leaves and will...
Evolution
By: William Mataba
All life, and subsequently all organisms, evolve according to the dictates of their surrounding environment; that is of course, if the surrounding environment changes over a time period sufficient to allow the organism to evolve. An immediate catastrophe, and by immediate I mean something happening...
By: Jane Allyson
A "Phylogenetic relationship" can be defined as being a reference to a timeline in the past that a species shared common ancestors.Our understanding about phylogenetic relationships hinges on the patterns we see within evolutionary changes occurring along the passage of time. Darwin called it...
How to become a botanist
By: Chu Chin Kwok
By the time you are in High School, you probably have some idea of what you want to study in college, that is - if you intend to obtain more than a High School Diploma. For students who are not really mathematically inclined, life sciences...
By: M E Skeel
The dark brooding spruce trees of the taiga, windswept cypress trees on the California coast, giant Norfolk pines dotting the skylines of beach towns along the Australian coast: what do they all have in common? They are gymnosperms, cone bearing plants which never flower and...

 

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