What is branchiae
What do you mean by branchiae? State few examples of animals which ‘breath’ through the branchiae?
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Branchiae, also called as gills, are small parts of richly vascularised tissues which may be external or internal to the body and in direct contact with surrounding water. Gills are the organs which perform the function of gas exchange in the aquatic annelids, crustaceans, amphibian larvae like, tadpoles and fishes.
What is the main arthropod groups characterized according to presence of wings? Answer: Arachnids and Crustaceans do not have wings. Most insects encompass wings.
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State the function of vitamin E? In which foods it is found?
Scope of Planning 1 helps in proper utilization of resources 2 bring economy in operations.
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In which period of meiosis, the pairing of homologous chromosomes take place?
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Name the external rigid carapace of arthropods termed? Of which substance it is made up? Which kind of organic molecule is that substance?
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