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How is the respiratory system of beings of the phylum Annelida characterized?
Respiration in annelids can be cutaneous or branchial. Cutaneous respiration happens due to the rich vascularity under the epidermis. The gills, present in aquatic annelids, are located in the parapodia (false claws) that have an extensive capillary net.
modes of nutrition in animals?
Q. How does digestion in beings of the phylum Annelida work and which type of digestive system do they have? Digestion in beings of the phylum Annelida is extracellular. These
Another possible way to classify organisms would be to separate them into unicellular and multicellular organisms. Explain why this is not a useful classification system. Other
Ideal Characteristics 1) Maximize gas transfer (oxygen, carbon dioxide and anaesthetic gases) 2) Minimize blood trauma 3) Good heat transfer efficiency 4) Minimize
Cation Exchange Capacity The adsorption of a cation by a colloid nucleus or micelle and the accompanying release of one or more ions held by the micelle is termed as 'cation ex
Q. Why is meiosis significant for the maintenance of the normal quantity of chromosomes of a species with sexual reproduction? A reduction to a half of the maximum normal quant
Q. What is Primary Motor Cortex? Located in precentral gyrus of frontal lobe (anterior to central sulcus, which separates frontal and parietal lobes. Neurons called pyramidal
Describe the significance of micronucleus. One of two types of dimorphic nuclei found in ciliate protozoans. The single micronucleus contains only one copy of the genome and is
Disposal : Opaque bags are the recommended for disposing off carcasses. You should also put freshly dissected animals and tissues into opaque plastic bags, seal them and dispose t
Who is Caius Plinius - Taxonomy? Caius Plinius Seconds, also known as Pliny the Elder (23-79 A.D.), a Roman naturalist and scholar, born in Como, mentioned nearly a thousand pl
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