International Biology Teachers
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. Pollination Types
(Classification based on agent by which pollen is transferred from the pollen sac or anther to the stigma or ovule)
Anemophily. Pollinated by wind.
Anthropophily. Pollinated by man.
Cantharophily. Pollinated by beetles.
Cheiropterophily. Pollinated by bats.
Entomophily. Pollinated by insects.
Hydrophily. Pollinated by water.
Hymenopterophily. Pollinated by bees.
Malacophily. Pollinated by snails or slugs.
Melittophily. Pollinated by bees.
Micromelittophily. Pollinated by small bees.
Myiophily. Pollinated by diptera.
Myrmecophily. Pollinated by ants.
Necrocoleopterophily. Pollinated by carrion beetles.
Ornithophily. Pollinated by birds.
Phalaenophily. Pollinated by moths.
Psychophily. Pollinated by butterflies.
Sapromyiophily. Pollinated by carrion or dung flies.
Sphingophily. Pollinated by hawk moths and nocturnal lepidoptera.
https://www.youtube.com/watch?v=H4OZfAyjcp4
4 Fun Summer Science Activities
Now that summer is here in the northern hemisphere it's a great time to go outside for a science lesson. SciShow Kids has four suggestions for outdoor science lessons. In Fun Summer Science adults and children can learn about the science of bubbles, kites, ice cream, and solar energy. Each segment includes an explanation of the science and brief suggestions and directions for a hands-on activity.
15/09/2017
Snakebite envenoming is a neglected tropical disease that affects 1.8–2.7 million people worldwide, especially in impoverished areas of the warmer tropics and subtropics. Clinical manifestations vary from local tissue damage to life-threatening systemic effects and chronic disability, such as amputation.
16/08/2017
03/08/2017
DNA - the Software of Life An animation about the Software of Life. DNA, Proteins, Chromosomes and the Human Cell. visit www.molecularium.com Produced by Nanotoon Entertainment © 2012 ...
25/07/2017
Using X-rays to See Through DNA
Watson and Crick used stick-and-ball models to test their ideas on the possible structure of DNA. Rosalind Franklin and Maurice Wilkins used X-ray diffraction to understand the physical structure of the DNA molecule. When you shine X-rays on any kind of crystal, the invisible rays bounce off the sample. The rays then create complex patterns on photographic film. By looking at the patterns, it is possible to figure out important clues about the structures that make up the crystal.
Many voices have argued that the Nobel Prize also should have been awarded to Rosalind Franklin, since her experimental data provided a very important piece of evidence leading to the solving of the DNA structure. In an interview in Scientific American, Watson himself suggested that it might have been a good idea to give Wilkins and Franklin the Nobel Prize in Chemistry, and him and Crick the Nobel Prize in Physiology or Medicine – in that way all four would have been honored.
Rosalind Franklin died in 1958. As a rule only living persons can be nominated for the Nobel Prize, so the 1962 Nobel Prize was out of the question. Franklin was never nominated and Watson, Crick and Wilkins was nominated for the first time in 1960 by Nobel Laureate Lawrence Bragg.
Photos: Rosalind Franklin, ca. 1950s, born 25 July 1920, "Photograph 51" B-form x-ray photograph of DNA, taken by Raymond Gosling while working under Rosalind Franklin, 1952, original model of the structure of DNA, 1953, Source: http://library.cshl.edu/archives/
24/07/2017
How does your body process medicine? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to go in the first place?
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14/08/2018