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.
Define the term allergens?
What are the major biological functions in which the chlorine ions contribute?
How nervous tissue distributed in cnidarians?
Name the major endocrine glands of the human body?
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Explain the term vitamins? What are the major vitamins required by humans?
Define the terms astigmatism and presbyopia?
What is the maternal milk significant for the immune safety of the baby?
Is embryonic growth in birds direct or indirect? Answer: The embryonic growth is direct, there is no larval phase.
Besides pancreatic juice in intestine there exists releasing of enteric juice which consists of the digestive enzymes too. State these enzymes and which kind of molecule do these enzymes break?
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