Biology Current Events
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The Honey Bee Organization
Origin of the three types of bee. The workers build three types of cell. Worker cells predominate. Drone cells are fewer and slightly larger. Queen cells are still larger and quite different in shape. They are made singly and often project from the base or surface of the comb.
The queen lays indiscriminately in all these cells but the eggs in the drone cells are unfertilised and develop into males. The eggs in the worker and queen cells are fertilised and develop into females. However, the quee Read More...
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Get Yourself Educated Online: Biology
One of the branches of study in the field of Science is Biology.
As defined by the free web dictionary Biology means: “The science of life and of living organisms, including their structure, function, growth, origin, evolution, and distribution. It includes botany and zoology and all their subdivisions. It is also the life processes or characteristic phenomena of a group or category of living organisms: the biology of viruses. And it is also the plant and animal life of a specific area or regio Read More...
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Biology Experiments for Teachers - Human Senses: Retinal Capillaries
Advance preparation
Cut discs about 6 cm in diameter from thin card and make a pin-hole in the centre of each. The hole made by the spike on a pair of compasses or dividers is about the right size. Provide each group with a disc, a sheet of white paper and, if the lighting in the room is not very good, a bench lamp or some source of illumination.
Experiment
(a) Close one eye and hold the card close to the other.
(b) Look through the pin-hole at a brightly lit sheet of plain white paper about Read More...
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