By: Sammy Stein
Hydroponic culture means, literally growing in water but the term is generally used to mean the growing of plants not in soil but over a nutrient rich solution. Hydroponics was credited to Professor Gerick in the 1930s, although he was one of several horticulturalists playing...
How elaborate flowers are used to attract pollinators
By: Sammy Stein
The aim of flowers is sex, plants invest a huge proportion of their energy into producing flowers to ensure that pollen is passed from the male part (anthers) to the female receptive part (stigma) either to the same floer, another flower on the same plant...
By: Sammy Stein
Dicotyledons are an important group amongst the plant kindgom. They represent a more complex evolutionary line than the monocotyledons, which are thought to be a more recent evolutionary development. Dicotyledons have 2 seed leaves compared to the one seed leaf (cotyledon) of the monocotyledons. There...
Plant profiles: Beavertail cactus
By: Will Connor
One of the most common dessert cacti of North and Central America is the Opuntia basilaris or the beavertail cactus. This bushy cactus is characterized by its teardrop-shaped flat pads, resembling the tail of a beaver, thus giving it its nickname. The beavertail cactus, just...
By: Wayne K. Wilkins
Scotland is currently firmly engrossed in attempting to find the cause of the mysterious deaths of nearly 100 seals that have been washed up dead on its shores in recent weeks. The seals, which did not die of natural causes, washed up ashore with a...
Factors that affect bacteria growth
By: tkad
There are many factors that affect bacterial growth. Before we go over these factors we must however understand the bacterial growth curve. The Lag phase is when the bacterial cell increases in size, the Log phase is when the cells increase in number, the Stationary...
By: Gary Cartlidge
Why the human race is doomed to extinction Extinction is quite a drastic ideal for us the human race; thinking we have everything under control is our primary mistake and problem. Nobody can disagree that the majority of the human race instantly feels fear and...
The meanings behind flower colors
By: Shannon Farlouis
Flowers hold very symbolic meanings through their beautiful colors. The next time you shop at the florist or flower shop to select a bouquet for someone special, you will know that flowers hold special symbolic meanings through the beauty of their colors. Red-Red flowers hold...
Nitrogen absorption in plants
By: Amanda Mittra
Nitrogen is an integral part of the plant world apart from hydrogen, oxygen and carbon. It is found freely in the atmosphere which surprisingly isn’t absorbed or imbibed by the plant. However, plants receive their nitrogen proportions from the soil through ammonia rich compounds...
Common stains and mounting media for botany specimens
By: Amanda Mittra
Botany specimens from differing divisions based on their taxonomy respond to stains in a unique way. What Bryophytes require might not be the same for Algae or Fungi, or even Pteridophytes. The most commons stains that are used are Aniline blue, Fast green, Safranin, Cotton...

 

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