zoo

Binod Bihari Mahato Koylanchal University

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coelomates, acoelomates, pseudocoelomates
  • College aantekeningen

    coelomates, acoelomates, pseudocoelomates

  • Acoelomates, coelomates, and pseudocoelomates describe three fundamental body plans in animals, differentiated by the presence, or absence, and the lining of their internal body cavity (the coelom) by the mesoderm germ layer. Acoelomates lack a true coelom, having instead mesenchyme (connective tissue) between their germ layers, with flatworms as a common example. Pseudocoelomates possess a fluid-filled body cavity (pseudocoelom) that is not fully lined by mesoderm, with roundworms (nemato...
  • rabiahaque
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general features and canal  system in porifera general features and canal  system in porifera
  • College aantekeningen

    general features and canal system in porifera

  • Sponges (Phylum Porifera) are primitive, sessile, multicellular animals with a unique canal system for water circulation, which facilitates feeding, respiration, and waste removal. Their general features include a porous body wall, cellular-level organization, and an absence of true tissues and organs. The canal system, comprising pores (ostia), canals, flagellated chambers lined by choanocytes (collar cells), and a large opening (osculum), generates water currents. Water enters through the osti...
  • rabiahaque
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leishmania donovania life cycle with symptoms and prevention
  • College aantekeningen

    leishmania donovania life cycle with symptoms and prevention

  • The life cycle of Leishmania donovani involves a sand fly and a human, alternating between promastigote (flagellated, in the fly) and amastigote (non-flagellated, in humans) forms. A sand fly bites an infected person, ingesting amastigotes. Inside the fly's gut, amastigotes transform into promastigotes, which multiply and migrate to the proboscis. When the fly bites a human, it injects promastigotes into the skin, where they are engulfed by macrophages. These promastigotes then change into am...
  • rabiahaque
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general features of protozoa with benefits and harmfull effects and deseases causes
  • College aantekeningen

    general features of protozoa with benefits and harmfull effects and deseases causes

  • Protozoa are unicellular eukaryotic organisms that live in diverse environments, either freely or as parasites. They are heterotrophic, obtaining nutrients by consuming other organic matter. Key features include a single cell performing all life functions, the presence of a true nucleus and organelles, and locomotion via structures like pseudopodia, cilia, or flagella. They lack cell walls and reproduce both asexually (like binary fission) and sexually.
  • rabiahaque
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reproduction in protozoa explaining all types of reproduction with diagram reproduction in protozoa explaining all types of reproduction with diagram
  • College aantekeningen

    reproduction in protozoa explaining all types of reproduction with diagram

  • Protozoa reproduce both asexually, through binary fission (one parent splitting into two), multiple fission (many nuclei form before cytoplasm divides), budding, and plasmotomy (division of a multinucleated cell), and sexually, which involves the fusion of gametes through syngamy or conjugation to introduce genetic variation. The type of reproduction depends on the protozoan species and prevailing environmental conditions.
  • rabiahaque
    $8.49 Meer Info
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