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Q. Which animals make tracheal respiration? Is there a blood-like fluid that participates in this process?
Arachnids and Insects are the arthropod animals that make tracheal respiration. In the body surface of these animals there are many orifices called spiracles that communicate with small tubules and the tracheae through which carbon dioxide and air penetrates is expelled. The tracheae ramify into tracheoles that reach all tissues of the animal.
In the circulatory system of insects the blood merely transports nutrients gases are independently transported by the tracheal system.
What a test tube brush and how is it used? It is a method, made with nylon bristles attached to a twisted-wire shaft, used to knock the bottoms out of test tubes.
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Alginate Alginates are produced by brown seaweeds (Phaeophyceae, mainly Laminaria). Alginates or algin, is a generic term for the salts and derivatives of alginic acid. Algin
Q. What do you mean by Hemichordata ? Hemichordates re vermiform (worm-like) animals which have few characters like those of the chordates, hence the name hemichordata (hemi :
Elsie is 75 and enjoys attending the women's Institute and doing volunteer work in a local charity shop for a hospice. She is finding herself forgetting small things, and can't alw
Please I need short notes on polyphylrtic theory
Chlorocruorins - Respiratory Pigments These types of respiratory pigments are found in four polychaete families: Sabellidae, Serpulidae, Ampharetidae and Chlorhaemidae. The pi
Frog fema reproductive system
METHODS OF EVALUATION: The two main areas of evaluation include a) evaluation of job performance of individual b) evaluation of programme agency 1) Evaluation of the
The Environmental resistance is the action of limiting biotic and abiotic factors that disallow the growth of a population as it would grow according to its biotic potential. In fa
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