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Q. Echinoderm identity card. How are echinoderms characterized according to examples of representing beings, basic morphology, type of symmetry, germ layers and coelom, respiratory system, digestive system, excretory system, circulatory system, nervous system and types of reproduction?
Examples of representing beings: sea cucumber, sea urchin, starfishes. Basic morphology: calcareous endoskeleton with spines, ambulacral system. Type of symmetry: secondary radial, Germ layers and coelom: triploblastics, coelomates. Digestive system: complete, deuterostomes. Respiratory system: nonexistent. Circulatory system: nonexistent. Excretory system: nonexistent. Nervous system: simple, nerve network without cephalization or ganglia. Types of reproduction: sexual, with larval stage.
Entropy is the degree of disorder in a system. As the energy is transferred from one form to another form, some of it is lost as heat; as the energy decreases, the disorder in sys
Define effect on Human chorionic gonadotropin in Pregnancy? Human chorionic gonadotropin (HCG) begins to increase immediately on implantation of the ovum and reaches a peak at
what are the two benefits of fever with explaination??
Circulatory System - Developmental Changes We have learnt that throughout foetal life, gas exchange takes place, only through the placenta and not through lungs. Therefore, t
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