METAMORPHOSIS IN INSECTS

INTRODUCTION Metamorphosis in insects is a fascinating biological process that showcases the remarkable adaptability and complexity of these creatures. It refers to the series of distinct developmental stages an insect undergoes during its life cycle, typically involving a transformation from egg to larva, pupa, and finally adult. This phenomenon is…

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METAMORPHOSIS STAGES IN LIFECYCLE OF FROG

INTRODUCTION The Metamorphosis stages in lifecycle of frogs is a captivating process that showcases nature's brilliance in transforming a water-dwelling creature into a terrestrial marvel. From the initial stages of egg-laying to the emergence of a fully formed adult frog, this intricate journey encompasses various physiological and behavioral adaptations. In…

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BLASTULA AND TYPES OF BLASTULA

INTRODUCTION Blastula and types of blastula: The blastula is a pivotal stage in embryonic development, marking the transition from the zygote to a multicellular embryo. Characterized by a hollow, spherical structure composed of a single layer of cells, the blastula sets the stage for subsequent gastrulation, formation of coelom and…

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DEVELOPMENT OF C. ELEGANS

INTRODUCTION Development of C. elegans begins when a fertilized egg undergoes a series of cell divisions to form a multicellular embryo. C.elegans (Caenorhabditis elegans) is a roundworm that has been extensively studied as a model organism in developmental biology. It has a relatively simple anatomy and a fully sequenced genome,…

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