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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
what do you understand by flagellaa cellular hairlike locomotory structure which comprise an extension of the plasma membrane surrounding a 92
elaborate extracorporial in detailoutside of the body an example is extracorporial digestion found in some animals where digestive enzymes are
what do you understand by exoskeletonsupporting structures of skeleton not surrounded by the body endoskeletal elements are secreted by an underlying
determine the term epitheliomuscular cellcells which line outer surface of cnidarians these cell have two functions first is to form the outer body
explain endoskeleton in detailsupporting structures of the skeleton surrounded by the body tissues as a consequence there is living tissue on all
what is the significance of elastic capsule chromatophorespecialized pigmented cells on surface of the cephalopods that by changing their shape
state diploblastic in brieforganisms formed from only two primitive cell layers- ectoderm and endoderm though there may be some type of a matrix
what do you understand by dimorphic nucleiorganization of the nuclear material typical of ciliates there is always a single small micronucleus and
factors affecting fertilizer requirements the rapid increase in the use of fertilizers is based on the fact that large profits are obtained from
state the amount of micronutrients in fertilizers the amount of micronutrients in fertilizers must be much more carefully controlled than the
illustrate the term - digestive caecuma blind-ended pouch which extends from main digestive tract digestive ceca may be the sites for final digestion
what is deuterostome explain in briefphyla including the chordata and echinodermata which share common characteristics of blastopore-not forming the
define the term - soil heterogeneitythe ratings seem rather arbitrary and empirical but are meant to get a reasonable yield outputs for different
determine what is dermal branchiaeexternal extensions of outer epidermis and peritoneum of the echinoderm body cavity both outer epidermis and inner
describe the concept of soil testingdifferent grades of complex and mixed fertilizers are being marketed to suit the soil and crops of a region the
fertilizers and fertilizer management fertilizers in a broad sense include all materials that are added to soils to supply certain elements essential
advantages of fertilizers and manuresfertilizers and manures are necessary for maintaining the soil in a high state of fertility and productivity