Plant profiles: California poppy
By: Nick Ford
The California poppy is an all American plant named by a German on a Russian ship. In July 1815 Otto von Kotzebue set sail on the tiny Russian brig with a 27 man crew. His mission, sponsored by the Russian government, was to explore the...
Evolution or Devolution
By: Pasquale Bottiglieri - 557387
We are asked to determine whether the race of humans, the modern species of human beings, Homo sapiens, is now in the process of evolving, that is to say moving toward a higher level of development, or devolving, moving inexorably toward extinction. I have chosen...
Plant profiles: Fireweed
By: Nick Ford
Fireweed (Epilobium angustifolium) is a familiar plant throughout the temperate northern hemisphere. It is frequently found in open fields, along roadsides and in clearings within the boreal forest. It might be thought that plant is named after the vivid purple red flowers that are produced...
Plant profiles: Desert trumpet
By: Nick Ford
In 1848 the American explorer and future President of the United States discovered a rather unusual plant "on barren hills in the lower part of Northern California". Fremont took his find to John Torrey, the leading botanist of the day and insisted that they both...
Tree profiles: Tamarack
By: Nick Ford
The Tamarack ((Larix laricina)) is one of the three indigenous Larch species that can be found in North America. It has the greatest range of all North American conifers. The Tamarack grows across Canada and the northern United States to the east of the Rocky...
By: Rex Trulove
It may be strange to hear certain kinds of trees being associated with morel mushrooms, but these great mushroom morsels are most often found under or close to some species of trees. This doesn't mean that they aren't occasionally found near other trees, but they...
Do Organisms always Evolve into more Complex Forms
By: Claire Curtis
If it were true that organisms always evolve into more complex forms then our planet would long ago have ceased to exist. While it is true that evolution lends itself to this way of thinking - that organisms are constantly changing and adapting and therefore...
By: Tarek Musslimani
The cellular biology of prokaryotes and eukaryotes differ than each other. This is partly due to the basic difference in structure between the two types of cells. Eukaryotic cells are exemplified by the human cells such as monocytes and lymphocytes. Prokaryotes are exemplified by bacterial...
By: Terrence Aym
Spiders might exist that have crawled out of nightmares. They're called the "J'ba FoFi" (giant spider, pronounced ch-bah foo fee) in Central Africa. Many people might define a giant spider as one that's bigger than their hand. Some may think bigger and envision the horrifying...
By: Tarek Musslimani
The cell is the basic unit of the human body. It is also the most fundamental functional entity that sustains life in it. The cell has all the machinery within it for maintaining life and to survive. It does this by one of two ways:...

 

1 218 219 220 221 222 371