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.
Groups may be classified into different types. The basis of differentiation may be purpose, extent of structuring, process of formation, and size of the group membership. 1) Primary and secondary groups: primary groups are those characterized by in
Specify the type of cell division which enables sexual reproduction? What is meant by the gametogenesis?
Why the plant life cycle is called as the alternation of the generations?
How may the coacervates be made up of the phospholipids or polypeptides?
Define closed circulatory system?
Explain the consequences of shifting the chemical equilibrium of the formation of bicarbonate from the carbon dioxide and water to the increase of formation of product (bicarbonate)?
Name the hormones secreted by the thyroid gland? Also describe their functions?
Describe the groups into which the phylum Echinodermata is classified?
Give a brief explanation of cell cycle.
Elaborate the hormones generated by the ovaries and the testicles?
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