By: Janet Grischy
Slime molds are not plants or animals. Neither are they fungi, though they were long classed as such. These life forms are like animals in many ways. They move, for example, but they also have characteristics of plants and fungi. Slime molds have eukaryotic cells...
By: Judy Evans
Dodonaea is a genus in the soapberry family Sapindaceae. There are around 70 species of these evergreen shrubs and small trees. They occur mostly in Australia in a variety of climatic conditions but mainly in tropical and warm-temperate regions with some being found in arid...
Study shows bacteria have eaten giant Gulf oil plume
By: Robert Lunt
Gulf Oil Spill Disappearing QuicklyOn April 20, 2010 a massive explosion aboard the Deepwater Horizon drilling well caused 4.9 million barrels of oil to spill into the Gulf of Mexico from BP’s Macondo well. The explosion killed 11 workers and injured 17 others...
Plant profiles: Ohio spiderwort
By: Krista Al Qirim
Tradescantia ohiensis, more commonly known as Ohio Spiderwort, is a wildflower native to the eastern half of the United States. While common in some states, it is listed as endangered in the state of Pennsylvania. A hardy plant better able than most to resist the...
By: Amanda Mittra
Wood is one of the most naturally available materials which has transformed the life of man. Wood, obtained from trees, is used as firewood, for furniture, building homes and for making tools. The benefits of wood cannot go unaccounted for and are useful because of...
By: Tarek Musslimani
Muscle cells are a unique type of cell in the human body due to their unique properties. They are the only cells in the body that are able to contract and relax. In addition, muscle cells along with neurons of the nervous system are the...
By: Amanda Mittra
Plants generally fall under three categories: trees, shrubs and herbs. It is easy to distinguish herbs as those plants which are generally small and without any firm support or woody stem. On the other hand, shrubs have a woody stem, are much bigger than herbs...
Bacterial plant pathogens and the symptoms of bacterial infections in plants
By: Omar Salvador
There are thousands of pathogens that exist in nature, although a particular plant may have only about forty of these. Also at any given time, this same plant is routinely attacked by only one or two pathogenic agents which can be bacterial pathogens. As a...
Internal structure of root, stem and leaf system of plants
By: Sammy Stein
The internal structure of the root, stem and leaf system of plants is fascinating and allows us to have an understanding of how plants work. Though there are many variations the basic structure is the same. Using a cross section, the internal structure of a...
By: Sammy Stein
A seed contains the embryonic new plant and the beginnings of a new generation. For annuals in particular, the parent generation dies leaving their entire species as progeny in their seeds. To this end, it is important that the seeds are protected and germinate when...

 

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