Aids in Biology

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A zoological museum is a place where preserved animal specimens, skeletons, fossils, models, charts, and photographs are displayed for education and research. It helps students learn about animal dive…

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Small animals are preserved in glass or plastic jars filled with 10% formalin solution. The specimen is mounted on a glass slab and sealed in the jar to prevent decay and keep it intact for years.

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Wet preservation is a method of storing animal specimens in a liquid preservative like 10% formalin. It is used for invertebrates and small to medium-sized vertebrates to maintain their structure and …

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Examples include mollusc shells, starfish, sea urchins, corals, insect cocoons, snake skins (exuviae), bird feathers and nests, honeycombs, wasp or termite nests, and mammal skins with fur.

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Taxidermy is the art and science of skinning, stuffing, and preserving animals to display them in a lifelike form. It is commonly used for birds and mammals in museums.

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The animal is first dissected and muscles are removed. It is then boiled to soften remaining tissue, which is cleaned off. The skeleton may be bleached with hydrogen peroxide and then mounted on a boa…

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Tools include a collecting jar (with chloroform or carbon tetrachloride), a net, fine wire sieves, and insect traps like Berlese funnels or light traps.

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Insects are pinned through the thorax (or wings for small ones) and mounted on hard paper. Butterflies and dragonflies have their wings spread using an insect spreading board before drying. Once dry, …