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what is the role of naupliar eyethe unique eye found in larval stage of the crustacean life cycle this single compound eye is located medially and
describe in detail - nacreous layerthe innermost of the three layers of a mollusc shell it is also referred to as mother-of-pearl it comprises thin
what is molting explain in briefthe periodic shedding of outer body covering of an animal the term is applied to a variety of things including loss
describe the significance of micronucleusone of two types of dimorphic nuclei found in ciliate protozoans the single micronucleus contains only one
what do you understand by metanephridiaan excretory-osmoregulatory organ comprising a ciliated funnel nephrostome connected to tubules that lead to
explain metameric in detaila body plan which consists of a series of identical units metameres repeated down longitudinal axis of the animal every
signify the term metacoelthe last of three coelomic spaces found in tripartate body plan characteristic of deuterostome lineage of animals other
what is metachronal wave describeduring the coordination of the ciliary movement bands or groups of cilia are at different stages of their beating
what is the concept of mesonephricreplaces the pronephros during development and is retained as functional kidney in adult fish and amphibians formed
determine the significance of mesogleathe jellylike layer found between endodermal and ectodermal cell layers of diploblastic organisms it acts as a
what do you understand by mesocoelthe middle of three coelomic spaces found in tripartate body plan characteristic of deuterostome lineage of animals
what do you determine by mantlea thin sheetlike membranous extension of visceral mass of molluscs which forms two flaps of skin mantle secretes the
what is the significance of malpighian tubulesexcretory structures found in insects and some spiders though similar in appearance and function the
elaborate the following term in detail - macronucleusone of two types of dimorphic nuclei found in ciliate protozoans macronucleus contains multiple
state the term in broad - lunulein sand dollars notches or holes which pass through the body of the animal their function is not fully understood
what is the concept of lophophorea unique double ring of hollow ciliated tentacles that surround the oral opening in some animal phyla there is some
determine the term - leuconoid spongethe most complex of the three different sponge architectures choanocytes are found in chambers and there is not
what do you understand by larval amplificationa form of asexual reproduction where during life cycle a single larval organism can produce large
state the term in detail hydrostatic skeletonformed from a fluid-filled and closed cavity surrounded by a body wall comprising muscles oriented in
explain the following terms in detail - homology homologousstructures that have a similar evolutionary origin however different functions the wing of
what do you understand by heterotrophicorganisms which are not capable of converting light into chemical energy they should consume other organisms
what is hemocoel explain in detailprinciple body cavity in molluscs and arthropods remnant of the blastocoel it forms part of open circulatory system
elaborate the term - gill slitslateral opening in the wall of pharynx which allows water to enter into mouth and exit through the pharynx this is one
describe the concept of gastrulationduring embryological development this stage results in blastulas conversion into a gastrula cells migrate toward
describe gastrovascular cavity in detailthe name given to the internal cavity of cnidarians a blind-ended incomplete gut with only one opening food