Phylum of animal kingdom
Name the other phylum of animal kingdom present species with exoskeleton?
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Arthropods present exoskeleton made up of chitin. Echinoderms do not contain exoskeleton but they present a calcareous endoskeleton. Various chordates also contain an external carapace.
What are histogenesis and organogenesis?
Multimedia Training: It is an instructional system which incorporates both web-based and digital media course delivery and explains any application which uses graphics, animation, text, audio and video. Such applications employ high-bandwidth media (t
What is the main function of the umbilical cord?
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Write down the main functions of the National family welfare program?
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